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- Lines: 2210
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.3.99-pre2/linux/Documentation/devices.tex
- Orig date:
Fri Jan 7 19:13:21 2000
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-\documentstyle{article}
-% $Id: devices.tex,v 1.14 1998/08/10 22:39:24 hpa Exp $
-% ---------------------------------------------------------------------------
-% Adopt somewhat reasonable margins, so it doesn't take a million
-% pages to print... :-) If you're actually putting this in print, you
-% may wish to change these.
-\oddsidemargin=0in
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-%
-\begin{document}
-\newcommand{\file}{\tt} % Style to use for a filename
-\newcommand{\url}{\it} % Style to use for an URL
-\newcommand{\hex}{\tt} % Style to use for a hex number
-\newcommand{\ud}{(Under development)} % Abbreviation
-\newcommand{\1}{\({}^1\)}
-\newcommand{\2}{\({}^2\)}
-\newcommand{\3}{\({}^3\)}
-\newcommand{\4}{\({}^4\)}
-\newlength{\dig}
-\settowidth{\dig}{0} % Get width of digits
-\newcommand{\num}[2]{\makebox[#1\dig][r]{#2}}
-\newcommand{\major}[4]{\num{3}{#1}#2 \> #3 \> #4 \\}
-\newcommand{\minor}[3]{\> \> \num{3}{#1} \> {\file #2} \> #3 \\}
-\newcommand{\minordots}{\> \> \> \dots \\}
-\newenvironment{devicelist}%
- {\begin{tabbing}%
-000--000 \= blockxxx \= 000 \= {\file /dev/input/keyboardxxx} \= foo \kill}%
- {\end{tabbing}}
-\newcommand{\link}[4]{{\file #1} \> {\file #2} \> #3 \> #4 \\}
-\newcommand{\vlink}[4]{{\file #1} \> {\em #2 \/} \> #3 \> #4 \\}
-\newcommand{\node}[3]{{\file #1} \> #2 \> #3 \\}
-\newcommand{\tum}{$''$}
-\newenvironment{nodelist}%
- {\begin{tabbing}%
-{\file /dev/crambamboli} \= {\file /proc/self/fd/99} \= symbolicxxx \=
-foo \kill}%
- {\end{tabbing}}
-%
-% If you reformat this document, *please* make sure this information
-% gets included! This list changes frequently, so it is crucial to
-% know the date of the revision.
-%
-\title{{\bf Linux Allocated Devices}}
-\author{Maintained by H. Peter Anvin $<$hpa@zytor.com$>$}
-\date{Last revised: August 10, 1998}
-\maketitle
-%
-\noindent
-This list is the Linux Device List, the official registry of allocated
-device numbers and {\file /dev} directory nodes for the Linux
-operating system.
-
-The latest version of this list is included with the Linux kernel
-sources in \LaTeX\ and ASCII form. It is also available separately
-from {\url ftp://ftp.kernel.org/pub/linux/docs/device-list/}. In case
-of discrepancy between the text and \LaTeX\ versions, the \LaTeX\
-version is authoritative.
-
-This document is included by reference into the Linux Filesystem
-Standard (FSSTND). The FSSTND is available from
-{\url ftp://tsx-11.mit.edu/pub/linux/docs/linux-standards/fsstnd/}.
-
-Allocations marked (68k/Amiga) apply to Linux/68k on the Amiga
-platform only. Allocations marked (68k/Atari) apply to Linux/68k on
-the Atari platform only.
-
-This document is in the public domain. The author requests, however,
-that semantically altered versions are not distributed without
-permission of the author, assuming the author can be contacted without
-an unreasonable effort.
-
-In particular, please don't sent patches for this list to Linus, at
-least not without contacting me first.
-
-I do not have any information about these devices beyond what appears
-on this list. Any such information requests will be deleted without
-reply.
-
-\section{How to submit a device entry}
-
-To have a major number allocated, or a minor number in situations
-where that applies (e.g. busmice), please contact me with the
-appropriate device information. Also, if you have additional
-information regarding any of the devices listed below, or if I have
-made a mistake, I would greatly appreciate a note.
-
-I do, however, make two requests about the nature of your report.
-This is necessary for me to be able to keep this list up to date and
-correct in a timely manner. First of all, {\em please\/} include the
-word ``device'' in the subject so your mail won't accidentally get
-buried! I receive hundreds of email messages a day, so mail sent with
-other subjects may very well get lost in the avalanche.
-
-Second, please include a description of the device {\em in the same
-format as this list\/}. The reason for this is that it is the only
-way I have found to ensure I have all the requisite information to
-publish your device and avoid conflicts.
-
-Your cooperation is appreciated.
-
-\section{Major numbers}
-
-\begin{devicelist}
-\major{ 0}{}{ }{Unnamed devices (e.g. non-device mounts)}
-\major{ 1}{}{char }{Memory devices}
-\major{ }{}{block}{RAM disk}
-\major{ 2}{}{char }{Pseudo-TTY masters}
-\major{ }{}{block}{Floppy disks}
-\major{ 3}{}{char }{Pseudo-TTY slaves}
-\major{ }{}{block}{First MFM, RLL or IDE hard disk/CD-ROM interface}
-\major{ 4}{}{char }{TTY devices}
-\major{ 5}{}{char }{Alternate TTY devices}
-\major{ 6}{}{char }{Parallel printer devices}
-\major{ 7}{}{char }{Virtual console access devices}
-\major{ }{}{block}{Loopback devices}
-\major{ 8}{}{block}{SCSI disk devices (0-15)}
-\major{ 9}{}{char }{SCSI tape devices}
-\major{ }{}{block}{Metadisk (RAID) devices}
-\major{10}{}{char }{Non-serial mice, misc features}
-\major{11}{}{char }{Raw keyboard device}
-\major{ }{}{block}{SCSI CD-ROM devices}
-\major{12}{}{char }{QIC-02 tape}
-\major{ }{}{block}{MSCDEX CD-ROM callback support}
-\major{13}{}{char }{PC speaker}
-\major{ }{}{block}{8-bit MFM/RLL/IDE controller}
-\major{14}{}{char }{Sound card}
-\major{ }{}{block}{BIOS harddrive callback support}
-\major{15}{}{char }{Joystick}
-\major{ }{}{block}{Sony CDU-31A/CDU-33A CD-ROM}
-\major{16}{}{char }{Non-SCSI scanners}
-\major{ }{}{block}{GoldStar CD-ROM}
-\major{17}{}{char }{Chase serial card}
-\major{ }{}{block}{Optics Storage CD-ROM}
-\major{18}{}{char }{Chase serial card -- alternate devices}
-\major{ }{}{block}{Sanyo CD-ROM}
-\major{19}{}{char }{Cyclades serial card}
-\major{ }{}{block}{``Double'' compressed disk}
-\major{20}{}{char }{Cyclades serial card -- alternate devices}
-\major{ }{}{block}{Hitachi CD-ROM}
-\major{21}{}{char }{Generic SCSI access}
-\major{ }{}{block }{Acorn MFM hard drive interface}
-\major{22}{}{char }{Digiboard serial card}
-\major{ }{}{block}{Second IDE hard disk/CD-ROM interface}
-\major{23}{}{char }{Digiboard serial card -- alternate devices}
-\major{ }{}{block}{Mitsumi proprietary CD-ROM}
-\major{24}{}{char }{Stallion serial card}
-\major{ }{}{block}{Sony CDU-535 CD-ROM}
-\major{25}{}{char }{Stallion serial card -- alternate devices}
-\major{ }{}{block}{First Matsushita (Panasonic/SoundBlaster) CD-ROM}
-\major{26}{}{char }{Quanta WinVision frame grabber}
-\major{ }{}{block}{Second Matsushita (Panasonic/SoundBlaster) CD-ROM}
-\major{27}{}{char }{QIC-117 tape}
-\major{ }{}{block}{Third Matsushita (Panasonic/SoundBlaster) CD-ROM}
-\major{28}{}{char }{Stallion serial card -- card programming}
-\major{ }{}{char }{Atari SLM ACSI laser printer (68k/Atari)}
-\major{ }{}{block}{Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM}
-\major{ }{}{block}{ACSI disk/CD-ROM (68k/Atari)}
-\major{29}{}{char }{Universal frame buffer}
-\major{ }{}{block}{Aztech/Orchid/Okano/Wearnes CD-ROM}
-\major{30}{}{char }{iBCS-2 compatibility devices}
-\major{ }{}{block}{Philips LMS CM-205 CD-ROM}
-\major{31}{}{char }{MPU-401 MIDI}
-\major{ }{}{block}{ROM/flash memory card}
-\major{32}{}{char }{Specialix serial card}
-\major{ }{}{block}{Philips LMS CM-206 CD-ROM}
-\major{33}{}{char }{Specialix serial card -- alternate devices}
-\major{ }{}{block}{Third IDE hard disk/CD-ROM interface}
-\major{34}{}{char }{Z8530 HDLC driver}
-\major{ }{}{block}{Fourth IDE hard disk/CD-ROM interface}
-\major{35}{}{char }{tclmidi MIDI driver}
-\major{ }{}{block}{Slow memory ramdisk}
-\major{36}{}{char }{Netlink support}
-\major{ }{}{block}{MCA ESDI hard disk}
-\major{37}{}{char }{IDE tape}
-\major{ }{}{block}{Zorro II ramdisk}
-\major{38}{}{char }{Myricom PCI Myrinet board}
-\major{ }{}{block}{Reserved for Linux/AP+}
-\major{39}{}{char }{ML-16P experimental I/O board}
-\major{ }{}{block}{Reserved for Linux/AP+}
-\major{40}{}{char }{Matrox Meteor frame grabber}
-\major{ }{}{block}{Syquest EZ135 parallel port removable drive}
-\major{41}{}{char }{Yet Another Micro Monitor}
-\major{ }{}{block}{MicroSolutions BackPack parallel port CD-ROM}
-\major{42}{}{}{Demo/sample use}
-\major{43}{}{char }{isdn4linux virtual modem}
-\major{ }{}{block}{Network block devices}
-\major{44}{}{char }{isdn4linux virtual modem -- alternate devices}
-\major{ }{}{block}{Flash Translation Layer (FTL) filesystems}
-\major{45}{}{char }{isdn4linux ISDN BRI driver}
-\major{ }{}{block}{Parallel port IDE disk devices}
-\major{46}{}{char }{Comtrol Rocketport serial card}
-\major{ }{}{block}{Parallel port ATAPI CD-ROM devices}
-\major{47}{}{char }{Comtrol Rocketport serial card -- alternate devices}
-\major{ }{}{block}{Parallel port ATAPI disk devices}
-\major{48}{}{char }{SDL RISCom serial card}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{49}{}{char }{SDL RISCom serial card -- alternate devices}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{50}{}{char}{Reserved for GLINT}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{51}{}{char }{Baycom radio modem}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{52}{}{char }{Spellcaster DataComm/BRI ISDN card}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{53}{}{char }{BDM interface for remote debugging MC683xx microcontrollers}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{54}{}{char }{Electrocardiognosis Holter serial card}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{55}{}{char }{DSP56001 digital signal processor}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\major{56}{}{char }{Apple Desktop Bus}
-\major{ }{}{block}{Fifth IDE hard disk/CD-ROM interface}
-\major{57}{}{char }{Hayes ESP serial card}
-\major{ }{}{block}{Sixth IDE hard disk/CD-ROM interface}
-\major{58}{}{char }{Hayes ESP serial card -- alternate devices}
-\major{ }{}{block}{Reserved for logical volume manager}
-\major{59}{}{char }{sf firewall package}
-\major{60}{--63}{}{Local/experimental use}
-\major{64}{}{char }{ENskip kernel encryption package}
-\major{65}{}{char }{Sundance ``plink'' Transputer boards}
-\major{ }{}{block}{SCSI disk devices (16-31)}
-\major{66}{}{char }{YARC PowerPC PCI coprocessor card}
-\major{ }{}{block}{SCSI disk devices (32-47)}
-\major{67}{}{char }{Coda network filesystem}
-\major{ }{}{block}{SCSI disk devices (48-63)}
-\major{68}{}{char }{CAPI 2.0 interface}
-\major{ }{}{block}{SCSI disk devices (64-79)}
-\major{69}{}{char }{MA16 numeric accelerator card}
-\major{ }{}{block}{SCSI disk devices (80-95)}
-\major{70}{}{char }{SpellCaster Protocol Services Interface}
-\major{ }{}{block}{SCSI disk devices (96-111)}
-\major{71}{}{char }{Computone IntelliPort II serial card}
-\major{ }{}{block}{SCSI disk devices (112-127)}
-\major{72}{}{char }{Computone IntelliPort II serial card -- alternate devices}
-\major{73}{}{char }{Computone IntelliPort II serial card -- control devices}
-\major{74}{}{char }{SCI bridge}
-\major{75}{}{char }{Specialix IO8+ serial card}
-\major{76}{}{char }{Specialix IO8+ serial card -- alternate devices}
-\major{77}{}{char }{ComScire Quantum Noise Generator}
-\major{78}{}{char }{PAM Software's multimodem boards}
-\major{79}{}{char }{PAM Software's multimodem boards -- alternate devices}
-\major{80}{}{char }{Photometrics AT200 CCD camera}
-\major{81}{}{char }{video4linux}
-\major{82}{}{char }{WiNRADiO communications receiver card}
-\major{83}{}{char }{Teletext/videotext interfaces}
-\major{84}{}{char }{Ikon 1011[57] Versatec Greensheet Interface}
-\major{85}{}{char }{Linux/SGI shared memory input queue}
-\major{86}{}{char }{SCSI media changer}
-\major{87}{}{char }{Sony Control-A1 stereo control bus}
-\major{88}{}{char }{COMX synchronous serial card}
-\major{ }{}{block}{Seventh IDE hard disk/CD-ROM interface}
-\major{89}{}{char }{I$^2$C bus interface}
-\major{ }{}{block}{Eighth IDE hard disk/CD-ROM interface}
-\major{90}{}{char }{Memory Technology Device (RAM, ROM, Flash)}
-\major{ }{}{block}{Ninth IDE hard disk/CD-ROM interface}
-\major{91}{}{char }{CAN-Bus controller}
-\major{ }{}{block}{Tenth IDE hard disk/CD-ROM interface}
-\major{92}{}{char }{Reserved for ith Kommunikationstechnik MIC ISDN card}
-\major{93}{}{char }{IBM Smart Capture Card frame grabber}
-\major{94}{}{char }{miroVIDEO DC10/30 capture/playback device}
-\major{95}{}{char }{IP filter}
-\major{96}{}{char }{Parallel port ATAPI tape devices}
-\major{97}{}{char }{Parallel port generic ATAPI interface}
-\major{98}{}{char }{Control and Mesurement Device (comedi)}
-\major{99}{}{char }{Raw parallel ports}
-\major{100}{}{char }{POTS (analogue telephone) A/B port}
-\major{101}{}{char }{Motorola DSP 56xxx board}
-\major{102}{}{char }{Philips SAA5249 Teletext signal decoder}
-\major{103}{}{char }{Arla network file system}
-\major{104}{}{char }{Flash BIOS support}
-\major{105}{}{char }{Comtrol VS-1000 serial card}
-\major{106}{}{char }{Comtrol VS-1000 serial card -- alternate devices}
-\major{107}{}{char }{3Dfx Voodoo Graphics device}
-\major{108}{}{char }{Device independent PPP interface}
-\major{109}{}{char }{Reserved for logical volume manager}
-\major{110}{}{char }{miroMEDIA Surround board}
-\major{111}{--119}{}{Unallocated}
-\major{120}{--127}{}{Local/experimental use}
-\major{128}{--135}{char }{Unix98 PTY masters}
-\major{136}{--143}{char }{Unix98 PTY slaves}
-\major{144}{--239}{}{Unallocated}
-\major{240}{--254}{}{Local/experimental use}
-\major{255}{}{}{Reserved}
-\end{devicelist}
-
-\section{Minor numbers}
-
-\begin{devicelist}
-\major{ 0}{}{}{Unnamed devices (e.g. non-device mounts)}
- \minor{0}{}{reserved as null device number}
-\end{devicelist}
-
-\begin{devicelist}
-\major{ 1}{}{char}{Memory devices}
- \minor{1}{/dev/mem}{Physical memory access}
- \minor{2}{/dev/kmem}{Kernel virtual memory access}
- \minor{3}{/dev/null}{Null device}
- \minor{4}{/dev/port}{I/O port access}
- \minor{5}{/dev/zero}{Null byte source}
- \minor{6}{/dev/core}{OBSOLETE -- should be a link to {\file /proc/kcore}}
- \minor{7}{/dev/full}{Returns ENOSPC on write}
- \minor{8}{/dev/random}{Nondeterministic random number generator}
- \minor{9}{/dev/urandom}{Less secure, but faster random number generator}
-\\
-\major{}{}{block}{RAM disk}
- \minor{0}{/dev/ram0}{First RAM disk}
- \minordots
- \minor{7}{/dev/ram7}{Eighth RAM disk}
- \minor{250}{/dev/initrd}{Initial RAM disk}
-\end{devicelist}
-
-\noindent
-Earlier kernels had {\file /dev/ramdisk} (1, 1) here. {\file /dev/initrd}
-refers to a RAM disk which was preloaded by the boot loader.
-
-\begin{devicelist}
-\major{ 2}{}{char}{Pseudo-TTY masters}
- \minor{0}{/dev/ptyp0}{First PTY master}
- \minor{1}{/dev/ptyp1}{Second PTY master}
- \minordots
- \minor{255}{/dev/ptyef}{256th PTY master}
-\end{devicelist}
-
-\noindent
-Pseudo-TTY's are named as follows:
-\begin{itemize}
-\item Masters are {\file pty}, slaves are {\file tty};
-\item the fourth letter is one of {\file pqrstuvwxyzabcde} indicating
-the 1st through 16th series of 16 pseudo-ttys each, and
-\item the fifth letter is one of {\file 0123456789abcdef} indicating
-the position within the series.
-\end{itemize}
-
-\noindent
-These are the old-style (BSD) PTY devices; Unix98 devices are on major
-128 and above and use the PTY master multiplex ({\file /dev/ptmx}) to
-acquire a PTY on demand.
-
-\begin{devicelist}
-\major{}{}{block}{Floppy disks}
- \minor{0}{/dev/fd0}{Controller 1, drive 1 autodetect}
- \minor{1}{/dev/fd1}{Controller 1, drive 2 autodetect}
- \minor{2}{/dev/fd2}{Controller 1, drive 3 autodetect}
- \minor{3}{/dev/fd3}{Controller 1, drive 4 autodetect}
- \minor{128}{/dev/fd4}{Controller 2, drive 1 autodetect}
- \minor{129}{/dev/fd5}{Controller 2, drive 2 autodetect}
- \minor{130}{/dev/fd6}{Controller 2, drive 3 autodetect}
- \minor{131}{/dev/fd7}{Controller 2, drive 4 autodetect}
-\\
-\major{}{}{}{To specify format, add to the autodetect device number}
- \minor{ 0}{/dev/fd?}{Autodetect format}
- \minor{}{}{}
- \minor{ 4}{/dev/fd?d360}{5.25\tum\ \num{4}{360}K in a \num{4}{360}K drive\1}
- \minor{ 20}{/dev/fd?h360}{5.25\tum\ \num{4}{360}K in a 1200K drive\1}
- \minor{ 48}{/dev/fd?h410}{5.25\tum\ \num{4}{410}K in a 1200K drive}
- \minor{ 64}{/dev/fd?h420}{5.25\tum\ \num{4}{420}K in a 1200K drive}
- \minor{ 24}{/dev/fd?h720}{5.25\tum\ \num{4}{720}K in a 1200K drive}
- \minor{ 80}{/dev/fd?h880}{5.25\tum\ \num{4}{880}K in a 1200K drive\1}
- \minor{ 8}{/dev/fd?h1200}{5.25\tum\ 1200K in a 1200K drive\1}
- \minor{ 40}{/dev/fd?h1440}{5.25\tum\ 1440K in a 1200K drive\1}
- \minor{ 56}{/dev/fd?h1476}{5.25\tum\ 1476K in a 1200K drive}
- \minor{ 72}{/dev/fd?h1494}{5.25\tum\ 1494K in a 1200K drive}
- \minor{ 92}{/dev/fd?h1600}{5.25\tum\ 1600K in a 1200K drive\1}
- \minor{}{}{}
- \minor{ 12}{/dev/fd?u360}{3.5\tum\ \num{4}{360}K Double Density\2}
- \minor{ 16}{/dev/fd?u720}{3.5\tum\ \num{4}{720}K Double Density\1}
- \minor{120}{/dev/fd?u800}{3.5\tum\ \num{4}{800}K Double Density\2}
- \minor{ 52}{/dev/fd?u820}{3.5\tum\ \num{4}{820}K Double Density}
- \minor{ 68}{/dev/fd?u830}{3.5\tum\ \num{4}{830}K Double Density}
- \minor{ 84}{/dev/fd?u1040}{3.5\tum\ 1040K Double Density\1}
- \minor{ 88}{/dev/fd?u1120}{3.5\tum\ 1120K Double Density\1}
- \minor{ 28}{/dev/fd?u1440}{3.5\tum\ 1440K High Density\1}
- \minor{124}{/dev/fd?u1600}{3.5\tum\ 1600K High Density\1}
- \minor{ 44}{/dev/fd?u1680}{3.5\tum\ 1680K High Density\3}
- \minor{ 60}{/dev/fd?u1722}{3.5\tum\ 1722K High Density}
- \minor{ 76}{/dev/fd?u1743}{3.5\tum\ 1743K High Density}
- \minor{ 96}{/dev/fd?u1760}{3.5\tum\ 1760K High Density}
- \minor{116}{/dev/fd?u1840}{3.5\tum\ 1840K High Density\3}
- \minor{100}{/dev/fd?u1920}{3.5\tum\ 1920K High Density\1}
- \minor{ 32}{/dev/fd?u2880}{3.5\tum\ 2880K Extra Density\1}
- \minor{104}{/dev/fd?u3200}{3.5\tum\ 3200K Extra Density}
- \minor{108}{/dev/fd?u3520}{3.5\tum\ 3520K Extra Density}
- \minor{112}{/dev/fd?u3840}{3.5\tum\ 3840K Extra Density\1}
- \minor{}{}{}
- \minor{36}{/dev/fd?CompaQ}{Compaq 2880K drive; probably obsolete}
-\\
-\major{}{}{}{\1 Autodetectable format}
-\major{}{}{}{\2 Autodetectable format in a Double Density (720K) drive only}
-\major{}{}{}{\3 Autodetectable format in a High Density (1440K) drive only}
-\end{devicelist}
-
-NOTE: The letter in the device name ({\file d}, {\file q}, {\file h}
-or {\file u}) signifies the type of drive supported: 5.25\tum\ Double
-Density ({\file d}), 5.25\tum\ Quad Density ({\file q}), 5.25\tum\
-High Density ({\file h}) or 3.5\tum\ (any type, {\file u}). The
-capital letters {\file D}, {\file H}, or {\file E} for the 3.5\tum\
-models have been deprecated, since the drive type is insignificant for
-these devices.
-
-\begin{devicelist}
-\major{ 3}{}{char}{Pseudo-TTY slaves}
- \minor{0}{/dev/ttyp0}{First PTY slave}
- \minor{1}{/dev/ttyp1}{Second PTY slave}
- \minordots
- \minor{255}{/dev/ttyef}{256th PTY slave}
-\end{devicelist}
-
-\noindent
-These are the old-style (BSD) PTY devices; Unix98 devices are on major
-136 and above.
-
-\begin{devicelist}
-\major{}{}{block}{First MFM, RLL and IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hda}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdb}{Slave: whole disk (or CD-ROM)}
-\\
-\major{}{}{}{For partitions, add to the whole disk device number}
- \minor{0}{/dev/hd?}{Whole disk}
- \minor{1}{/dev/hd?1}{First partition}
- \minor{2}{/dev/hd?2}{Second partition}
- \minordots
- \minor{63}{/dev/hd?63}{63rd partition}
-\end{devicelist}
-
-\noindent
-For MS-DOS style partition tables (typically used by Linux/i386 and
-sometimes on Linux/Alpha), partitions 1-4 are the primary partitions,
-partitions 5 and up are logical partitions. For other partitioning
-schemes, the meaning of the numbers vary.
-
-\begin{devicelist}
-\major{ 4}{}{char }{TTY devices}
- \minor{0}{/dev/tty0}{Current virtual console}
- \minor{1}{/dev/tty1}{First virtual console}
- \minordots
- \minor{63}{/dev/tty63}{63rd virtual console}
- \minor{64}{/dev/ttyS0}{First serial port}
- \minordots
- \minor{127}{/dev/ttyS63}{64th serial port}
- \minor{128}{/dev/ptyp0}{OBSOLETE}
- \minordots
- \minor{191}{/dev/ptysf}{OBSOLETE}
- \minor{192}{/dev/ttyp0}{OBSOLETE}
- \minordots
- \minor{255}{/dev/ttysf}{OBSOLETE}
-\end{devicelist}
-
-\noindent
-Older versions of the Linux kernel used this major number for BSD PTY
-devices. As of Linux 2.1.115, this is no longer supported. Use major
-numbers 2 and 3.
-
-\begin{devicelist}
-\major{ 5}{}{char }{Alternate TTY devices}
- \minor{0}{/dev/tty}{Current TTY device}
- \minor{1}{/dev/console}{System console}
- \minor{2}{/dev/ptmx}{PTY master multiplex}
- \minor{64}{/dev/cua0}{Callout device corresponding to {\file ttyS0}}
- \minordots
- \minor{127}{/dev/cua63}{Callout device corresponding to {\file ttyS63}}
-\end{devicelist}
-
-\noindent
-(5,1) is {\file /dev/console} starting with Linux 2.1.71. See the
-section on terminal devices for more information on {\file /dev/console}.
-
-\begin{devicelist}
-\major{ 6}{}{char }{Parallel printer devices}
- \minor{0}{/dev/lp0}{First parallel printer ({\hex 0x3bc})}
- \minor{1}{/dev/lp1}{Second parallel printer ({\hex 0x378})}
- \minor{2}{/dev/lp2}{Third parallel printer ({\hex 0x278})}
-\end{devicelist}
-
-\noindent
-Not all computers have the {\hex 0x3bc} parallel port, hence the
-"first" printer may be either {\file /dev/lp0} or {\file /dev/lp1}.
-
-\begin{devicelist}
-\major{ 7}{}{char }{Virtual console access devices}
- \minor{0}{/dev/vcs}{Current vc text access}
- \minor{1}{/dev/vcs1}{tty1 text access}
- \minordots
- \minor{63}{/dev/vcs63}{tty63 text access}
- \minor{128}{/dev/vcsa}{Current vc text/attribute access}
- \minor{129}{/dev/vcsa1}{tty1 text/attribute access}
- \minordots
- \minor{191}{/dev/vcsa63}{tty63 text/attribute access}
-\end{devicelist}
-
-\noindent
-NOTE: These devices permit both read and write access.
-
-\begin{devicelist}
-\major{ }{}{block}{Loopback devices}
- \minor{0}{/dev/loop0}{First loopback device}
- \minor{1}{/dev/loop1}{Second loopback device}
- \minordots
-\end{devicelist}
-
-\noindent
-The loopback devices are used to mount filesystems not associated with
-block devices. The binding to the loopback devices is handled by
-{\bf mount}(8) or {\bf losetup}(8).
-
-\begin{devicelist}
-\major{ 8}{}{block}{SCSI disk devices (0-15)}
- \minor{0}{/dev/sda}{First SCSI disk whole disk}
- \minor{16}{/dev/sdb}{Second SCSI disk whole disk}
- \minor{32}{/dev/sdc}{Third SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sdp}{Sixteenth SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{ 9}{}{char }{SCSI tape devices}
- \minor{0}{/dev/st0}{First SCSI tape, mode 0}
- \minor{1}{/dev/st1}{Second SCSI tape, mode 0}
- \minordots
- \minor{32}{/dev/st0l}{First SCSI tape, mode 1}
- \minor{33}{/dev/st1l}{Second SCSI tape, mode 1}
- \minordots
- \minor{64}{/dev/st0m}{First SCSI tape, mode 2}
- \minor{65}{/dev/st1m}{Second SCSI tape, mode 2}
- \minordots
- \minor{96}{/dev/st0a}{First SCSI tape, mode 3}
- \minor{97}{/dev/st1a}{Second SCSI tape, mode 4}
- \minordots
- \minor{128}{/dev/nst0}{First SCSI tape, mode 0, no rewind}
- \minor{129}{/dev/nst1}{Second SCSI tape, mode 0, no rewind}
- \minordots
- \minor{160}{/dev/nst0l}{First SCSI tape, mode 1, no rewind}
- \minor{161}{/dev/nst1l}{Second SCSI tape, mode 1, no rewind}
- \minordots
- \minor{192}{/dev/nst0m}{First SCSI tape, mode 2, no rewind}
- \minor{193}{/dev/nst1m}{Second SCSI tape, mode 2, no rewind}
- \minordots
- \minor{224}{/dev/nst0a}{First SCSI tape, mode 3, no rewind}
- \minor{225}{/dev/nst1a}{Second SCSI tape, mode 3, no rewind}
- \minordots
-\end{devicelist}
-
-\noindent
-``No rewind'' refers to the omission of the default automatic rewind
-on device close. The {\file MTREW} or {\file MTOFFL} ioctl()s can be
-used to rewind the tape regardless of the device used to access it.
-
-\begin{devicelist}
-\major{ }{}{block}{Metadisk (RAID) devices}
- \minor{0}{/dev/md0}{First metadisk group}
- \minor{1}{/dev/md1}{Second metadisk group}
- \minordots
-\end{devicelist}
-
-\noindent
-The metadisk driver is used to span a filesystem across multiple
-physical disks.
-
-\begin{devicelist}
-\major{10}{}{char }{Non-serial mice, misc features}
- \minor{0}{/dev/logibm}{Logitech bus mouse}
- \minor{1}{/dev/psaux}{PS/2-style mouse port}
- \minor{2}{/dev/inportbm}{Microsoft Inport bus mouse}
- \minor{3}{/dev/atibm}{ATI XL bus mouse}
- \minor{4}{/dev/jbm}{J-mouse}
- \minor{4}{/dev/amigamouse}{Amiga mouse (68k/Amiga)}
- \minor{5}{/dev/atarimouse}{Atari mouse}
- \minor{6}{/dev/sunmouse}{Sun mouse}
- \minor{7}{/dev/amigamouse1}{Second Amiga mouse}
- \minor{8}{/dev/smouse}{Simple serial mouse driver}
- \minor{9}{/dev/pc110pad}{IBM PC-110 digitizer pad}
- \minor{128}{/dev/beep}{Fancy beep device}
- \minor{129}{/dev/modreq}{Kernel module load request}
- \minor{130}{/dev/watchdog}{Watchdog timer port}
- \minor{131}{/dev/temperature}{Machine internal temperature}
- \minor{132}{/dev/hwtrap}{Hardware fault trap}
- \minor{133}{/dev/exttrp}{External device trap}
- \minor{134}{/dev/apm\_bios}{Advanced Power Management BIOS}
- \minor{135}{/dev/rtc}{Real Time Clock}
- \minor{139}{/dev/openprom}{SPARC OpenBoot PROM}
- \minor{140}{/dev/relay8}{Berkshire Products Octal relay card}
- \minor{141}{/dev/relay16}{Berkshire Products ISO-16 relay card}
- \minor{142}{/dev/msr}{x86 model specific registers}
- \minor{143}{/dev/pciconf}{PCI configuration space}
- \minor{144}{/dev/nvram}{Non-volatile configuration RAM}
- \minor{145}{/dev/hfmodem}{Soundcard shortwave modem control}
- \minor{146}{/dev/graphics}{Linux/SGI graphics device}
- \minor{147}{/dev/opengl}{Linux/SGI OpenGL pipe}
- \minor{148}{/dev/gfx}{Linux/SGI graphics effects device}
- \minor{149}{/dev/input/mouse}{Linux/SGI Irix emulation mouse}
- \minor{150}{/dev/input/keyboard}{Linux/SGI Irix emulation keyboard}
- \minor{151}{/dev/led}{Front panel LEDs}
- \minor{153}{/dev/mergemem}{Memory merge device}
- \minor{154}{/dev/pmu}{Macintosh PowerBook power manager}
-\end{devicelist}
-
-\begin{devicelist}
-\major{11}{}{char }{Raw keyboard device}
- \minor{0}{/dev/kbd}{Raw keyboard device}
-\end{devicelist}
-
-\noindent
-The raw keyboard device is used on Linux/SPARC only.
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI CD-ROM devices}
- \minor{0}{/dev/sr0}{First SCSI CD-ROM}
- \minor{1}{/dev/sr1}{Second SCSI CD-ROM}
- \minordots
-\end{devicelist}
-
-\noindent
-The prefix {\file /dev/scd} instead of {\file /dev/sr} has been used
-as well, and might make more sense.
-
-\begin{devicelist}
-\major{12}{}{char }{QIC-02 tape}
- \minor{2}{/dev/ntpqic11}{QIC-11, no rewind-on-close}
- \minor{3}{/dev/tpqic11}{QIC-11, rewind-on-close}
- \minor{4}{/dev/ntpqic24}{QIC-24, no rewind-on-close}
- \minor{5}{/dev/tpqic24}{QIC-24, rewind-on-close}
- \minor{6}{/dev/ntpqic120}{QIC-120, no rewind-on-close}
- \minor{7}{/dev/tpqic120}{QIC-120, rewind-on-close}
- \minor{8}{/dev/ntpqic150}{QIC-150, no rewind-on-close}
- \minor{9}{/dev/tpqic150}{QIC-150, rewind-on-close}
-\end{devicelist}
-
-\noindent
-The device names specified are proposed -- if there are ``standard''
-names for these devices, please let me know.
-
-\begin{devicelist}
-\major{ }{}{block}{MSCDEX CD-ROM callback support}
- \minor{0}{/dev/dos\_cd0}{First MSCDEX CD-ROM}
- \minor{1}{/dev/dos\_cd1}{Second MSCDEX CD-ROM}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{13}{}{char }{PC speaker}
- \minor{0}{/dev/pcmixer}{Emulates {\file /dev/mixer}}
- \minor{3}{/dev/pcsp}{Emulates {\file /dev/dsp} (8-bit)}
- \minor{4}{/dev/pcaudio}{Emulates {\file /dev/audio}}
- \minor{5}{/dev/pcsp16}{Emulates {\file /dev/dsp} (16-bit)}
-\\
-\major{ }{}{block}{8-bit MFM/RLL/IDE controller}
- \minor{0}{/dev/xda}{First XT disk whole disk}
- \minor{64}{/dev/xdb}{Second XT disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3).
-
-\begin{devicelist}
-\major{14}{}{char }{Sound card}
- \minor{0}{/dev/mixer}{Mixer control}
- \minor{1}{/dev/sequencer}{Audio sequencer}
- \minor{2}{/dev/midi00}{First MIDI port}
- \minor{3}{/dev/dsp}{Digital audio}
- \minor{4}{/dev/audio}{Sun-compatible digital audio}
- \minor{6}{/dev/sndstat}{Sound card status information}
- \minor{8}{/dev/sequencer2}{Sequencer -- alternate device}
- \minor{16}{/dev/mixer1}{Second soundcard mixer control}
- \minor{17}{/dev/patmgr0}{Sequencer patch manager}
- \minor{18}{/dev/midi01}{Second MIDI port}
- \minor{19}{/dev/dsp1}{Second soundcard digital audio}
- \minor{20}{/dev/audio1}{Second soundcard Sun digital audio}
- \minor{33}{/dev/patmgr1}{Sequencer patch manager}
- \minor{34}{/dev/midi02}{Third MIDI port}
- \minor{50}{/dev/midi03}{Fourth MIDI port}
-\\
-\major{ }{}{block}{BIOS harddrive callback support}
- \minor{0}{/dev/dos\_hda}{First BIOS harddrive whole disk}
- \minor{64}{/dev/dos\_hdb}{Second BIOS harddrive whole disk}
- \minor{128}{/dev/dos\_hdc}{Third BIOS harddrive whole disk}
- \minor{192}{/dev/dos\_hdd}{Fourth BIOS harddrive whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3).
-
-\begin{devicelist}
-\major{15}{}{char }{Joystick}
- \minor{0}{/dev/js0}{First analog joystick}
- \minor{1}{/dev/js1}{Second analog joystick}
- \minordots
- \minor{128}{/dev/djs0}{First digital joystick}
- \minor{129}{/dev/djs1}{Second digital joystick}
- \minordots
-\\
-\major{ }{}{block}{Sony CDU-31A/CDU-33A CD-ROM}
- \minor{0}{/dev/sonycd}{Sony CDU-31A CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{16}{}{char }{Non-SCSI scanners}
- \minor{0}{/dev/gs4500}{Genius 4500 handheld scanner}
-\\
-\major{ }{}{block}{GoldStar CD-ROM}
- \minor{0}{/dev/gscd}{GoldStar CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{17}{}{char }{Chase serial card}
- \minor{0}{/dev/ttyH0}{First Chase port}
- \minor{1}{/dev/ttyH1}{Second Chase port}
- \minordots
-\\
-\major{ }{}{block}{Optics Storage CD-ROM}
- \minor{0}{/dev/optcd}{Optics Storage CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{18}{}{char }{Chase serial card -- alternate devices}
- \minor{0}{/dev/cuh0}{Callout device corresponding to {\file ttyH0}}
- \minor{1}{/dev/cuh1}{Callout device corresponding to {\file ttyH1}}
- \minordots
-\\
-\major{ }{}{block}{Sanyo CD-ROM}
- \minor{0}{/dev/sjcd}{Sanyo CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{19}{}{char }{Cyclades serial card}
- \minor{0}{/dev/ttyC0}{First Cyclades port}
- \minordots
- \minor{31}{/dev/ttyC31}{32nd Cyclades port}
-\\
-\major{ }{}{block}{``Double'' compressed disk}
- \minor{0}{/dev/double0}{First compressed disk}
- \minordots
- \minor{7}{/dev/double7}{Eighth compressed disk}
- \minor{128}{/dev/cdouble0}{Mirror of first compressed disk}
- \minordots
- \minor{135}{/dev/cdouble7}{Mirror of eighth compressed disk}
-\end{devicelist}
-
-\noindent
-See the Double documentation for an explanation of the ``mirror'' devices.
-
-\begin{devicelist}
-\major{20}{}{char }{Cyclades serial card -- alternate devices}
- \minor{0}{/dev/cub0}{Callout device corresponding to {\file ttyC0}}
- \minordots
- \minor{31}{/dev/cub31}{Callout device corresponding to {\file ttyC31}}
-\\
-\major{ }{}{block}{Hitachi CD-ROM}
- \minor{0}{/dev/hitcd}{Hitachi CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{21}{}{char }{Generic SCSI access}
- \minor{0}{/dev/sg0}{First generic SCSI device}
- \minor{1}{/dev/sg1}{Second generic SCSI device}
- \minordots
-\end{devicelist}
-
-\noindent
-Most distributions name these {\file /dev/sga}, {\file /dev/sgb}...
-This sets an unneccesary limit of 26 SCSI devices in the system, and
-is counter to standard Linux device-naming practice.
-
-\begin{devicelist}
-\major{ }{}{block }{Acorn MFM hard drive interface}
- \minor{0}{/dev/mfma}{First MFM drive whole disk}
- \minor{64}{/dev/mfmb}{Second MFM drive whole disk}
-\end{devicelist}
-
-\noindent
-This device is used on the ARM-based Acorn RiscPC. Partitions are
-handled the same way as for IDE disks (see major number 3).
-
-\begin{devicelist}
-\major{22}{}{char }{Digiboard serial card}
- \minor{0}{/dev/ttyD0}{First Digiboard port}
- \minor{1}{/dev/ttyD1}{Second Digiboard port}
- \minordots
-\\
-\major{ }{}{block}{Second IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hdc}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdd}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{23}{}{char }{Digiboard serial card -- alternate devices}
- \minor{0}{/dev/cud0}{Callout device corresponding to {\file ttyD0}}
- \minor{1}{/dev/cud1}{Callout device corresponding to {\file ttyD1}}
- \minordots
-\major{ }{}{block}{Mitsumi proprietary CD-ROM}
- \minor{0}{/dev/mcd}{Mitsumi CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}\
-\major{24}{}{char }{Stallion serial card}
- \minor{0}{/dev/ttyE0}{Stallion port 0 board 0}
- \minor{1}{/dev/ttyE1}{Stallion port 1 board 0}
- \minordots
- \minor{64}{/dev/ttyE64}{Stallion port 0 board 1}
- \minor{65}{/dev/ttyE65}{Stallion port 1 board 1}
- \minordots
- \minor{128}{/dev/ttyE128}{Stallion port 0 board 2}
- \minor{129}{/dev/ttyE129}{Stallion port 1 board 2}
- \minordots
- \minor{192}{/dev/ttyE192}{Stallion port 0 board 3}
- \minor{193}{/dev/ttyE193}{Stallion port 1 board 3}
- \minordots
-\\
-\major{ }{}{block}{Sony CDU-535 CD-ROM}
- \minor{0}{/dev/cdu535}{Sony CDU-535 CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{25}{}{char }{Stallion serial card -- alternate devices}
- \minor{0}{/dev/cue0}{Callout device corresponding to {\file ttyE0}}
- \minor{1}{/dev/cue1}{Callout device corresponding to {\file ttyE1}}
- \minordots
- \minor{64}{/dev/cue64}{Callout device corresponding to {\file ttyE64}}
- \minor{65}{/dev/cue65}{Callout device corresponding to {\file ttyE65}}
- \minordots
- \minor{128}{/dev/cue128}{Callout device corresponding to {\file ttyE128}}
- \minor{129}{/dev/cue129}{Callout device corresponding to {\file ttyE129}}
- \minordots
- \minor{192}{/dev/cue192}{Callout device corresponding to {\file ttyE192}}
- \minor{193}{/dev/cue193}{Callout device corresponding to {\file ttyE193}}
- \minordots
-\\
-\major{ }{}{block}{First Matsushita (Panasonic/SoundBlaster) CD-ROM}
- \minor{0}{/dev/sbpcd0}{Panasonic CD-ROM controller 0 unit 0}
- \minor{1}{/dev/sbpcd1}{Panasonic CD-ROM controller 0 unit 1}
- \minor{2}{/dev/sbpcd2}{Panasonic CD-ROM controller 0 unit 2}
- \minor{3}{/dev/sbpcd3}{Panasonic CD-ROM controller 0 unit 3}
-\end{devicelist}
-
-\begin{devicelist}
-\major{26}{}{char }{Quanta WinVision frame grabber}
- \minor{0}{/dev/wvisfgrab}{Quanta WinVision frame grabber}
-\\
-\major{ }{}{block}{Second Matsushita (Panasonic/SoundBlaster) CD-ROM}
- \minor{0}{/dev/sbpcd4}{Panasonic CD-ROM controller 1 unit 0}
- \minor{1}{/dev/sbpcd5}{Panasonic CD-ROM controller 1 unit 1}
- \minor{2}{/dev/sbpcd6}{Panasonic CD-ROM controller 1 unit 2}
- \minor{3}{/dev/sbpcd7}{Panasonic CD-ROM controller 1 unit 3}
-\end{devicelist}
-
-\begin{devicelist}
-\major{27}{}{char }{QIC-117 tape}
- \minor{0}{/dev/qft0}{Unit 0, rewind-on-close}
- \minor{1}{/dev/qft1}{Unit 1, rewind-on-close}
- \minor{2}{/dev/qft2}{Unit 2, rewind-on-close}
- \minor{3}{/dev/qft3}{Unit 3, rewind-on-close}
- \minor{4}{/dev/nqft0}{Unit 0, no rewind-on-close}
- \minor{5}{/dev/nqft1}{Unit 1, no rewind-on-close}
- \minor{6}{/dev/nqft2}{Unit 2, no rewind-on-close}
- \minor{7}{/dev/nqft3}{Unit 3, no rewind-on-close}
- \minor{16}{/dev/zqft0}{Unit 0, rewind-on-close, compression}
- \minor{17}{/dev/zqft1}{Unit 1, rewind-on-close, compression}
- \minor{18}{/dev/zqft2}{Unit 2, rewind-on-close, compression}
- \minor{19}{/dev/zqft3}{Unit 3, rewind-on-close, compression}
- \minor{20}{/dev/nzqft0}{Unit 0, no rewind-on-close, compression}
- \minor{21}{/dev/nzqft1}{Unit 1, no rewind-on-close, compression}
- \minor{22}{/dev/nzqft2}{Unit 2, no rewind-on-close, compression}
- \minor{23}{/dev/nzqft3}{Unit 3, no rewind-on-close, compression}
- \minor{32}{/dev/rawqft0}{Unit 0, rewind-on-close, no file marks}
- \minor{33}{/dev/rawqft1}{Unit 1, rewind-on-close, no file marks}
- \minor{34}{/dev/rawqft2}{Unit 2, rewind-on-close, no file marks}
- \minor{35}{/dev/rawqft3}{Unit 3, rewind-on-close, no file marks}
- \minor{36}{/dev/nrawqft0}{Unit 0, no rewind-on-close, no file marks}
- \minor{37}{/dev/nrawqft1}{Unit 1, no rewind-on-close, no file marks}
- \minor{38}{/dev/nrawqft2}{Unit 2, no rewind-on-close, no file marks}
- \minor{39}{/dev/nrawqft3}{Unit 3, no rewind-on-close, no file marks}
-\\
-\major{ }{}{block}{Third Matsushita (Panasonic/SoundBlaster) CD-ROM}
- \minor{0}{/dev/sbpcd8}{Panasonic CD-ROM controller 2 unit 0}
- \minor{1}{/dev/sbpcd9}{Panasonic CD-ROM controller 2 unit 1}
- \minor{2}{/dev/sbpcd10}{Panasonic CD-ROM controller 2 unit 2}
- \minor{3}{/dev/sbpcd11}{Panasonic CD-ROM controller 2 unit 3}
-\end{devicelist}
-
-\begin{devicelist}
-\major{28}{}{char }{Stallion serial card -- card programming}
- \minor{0}{/dev/staliomem0}{First Stallion I/O card memory}
- \minor{1}{/dev/staliomem1}{Second Stallion I/O card memory}
- \minor{2}{/dev/staliomem2}{Third Stallion I/O card memory}
- \minor{3}{/dev/staliomem3}{Fourth Stallion I/O card memory}
-\\
-\major{ }{}{char }{Atari SLM ACSI laser printer (68k/Atari)}
- \minor{0}{/dev/slm0}{First SLM laser printer}
- \minor{1}{/dev/slm1}{Second SLM laser printer}
- \minordots
-\\
-\major{ }{}{block}{Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM}
- \minor{0}{/dev/sbpcd12}{Panasonic CD-ROM controller 3 unit 0}
- \minor{1}{/dev/sbpcd13}{Panasonic CD-ROM controller 3 unit 1}
- \minor{2}{/dev/sbpcd14}{Panasonic CD-ROM controller 3 unit 2}
- \minor{3}{/dev/sbpcd15}{Panasonic CD-ROM controller 3 unit 3}
-\\
-\major{ }{}{block}{ACSI disk/CD-ROM (68k/Atari)}
- \minor{0}{/dev/ada}{First ACSI disk whole disk}
- \minor{16}{/dev/adb}{Second ACSI disk whole disk}
- \minor{32}{/dev/adc}{Third ACSI disk whole disk}
- \minordots
- \minor{240}{/dev/adp}{Sixteenth ACSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk (same as SCSI.)
-
-\begin{devicelist}
-\major{29}{}{char }{Universal frame buffer}
- \minor{0}{/dev/fb0}{First frame buffer}
- \minor{1}{/dev/fb1}{Second frame buffer}
- \minor{2}{/dev/fb2}{Third frame buffer}
- \minordots
- \minor{31}{/dev/fb31}{32nd frame buffer}
-\end{devicelist}
-
-\noindent
-All additional minor device numbers are reserved.
-
-\begin{devicelist}
-\major{ }{}{block}{Aztech/Orchid/Okano/Wearnes CD-ROM}
- \minor{0}{/dev/aztcd}{Aztech CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{30}{}{char }{iBCS-2 compatibility devices}
- \minor{0}{/dev/socksys}{Socket access}
- \minor{1}{/dev/spx}{SVR3 local X interface}
- \minor{2}{/dev/inet/arp}{Network access}
- \minor{2}{/dev/inet/icmp}{Network access}
- \minor{2}{/dev/inet/ip}{Network access}
- \minor{2}{/dev/inet/udp}{Network access}
- \minor{2}{/dev/inet/tcp}{Network access}
-\end{devicelist}
-
-\noindent
-Additionally, iBCS-2 requires {\file /dev/nfsd} to be a link to {\file
-/dev/socksys} and {\file /dev/X0R} to be a link to {\file /dev/null}.
-
-\begin{devicelist}
-\major{ }{}{block}{Philips LMS CM-205 CD-ROM}
- \minor{0}{/dev/cm205cd}{Philips LMS CM-205 CD-ROM}
-\end{devicelist}
-
-\noindent
-{\file /dev/lmscd} is an older name for this drive. This driver does
-not work with the CM-205MS CD-ROM.
-
-\begin{devicelist}
-\major{31}{}{char }{MPU-401 MIDI}
- \minor{0}{/dev/mpu401data}{MPU-401 data port}
- \minor{1}{/dev/mpu401stat}{MPU-401 status port}
-\\
-\major{ }{}{block}{ROM/flash memory card}
- \minor{0}{/dev/rom0}{First ROM card (rw)}
- \minordots
- \minor{7}{/dev/rom7}{Eighth ROM card (rw)}
- \minor{8}{/dev/rrom0}{First ROM card (ro)}
- \minordots
- \minor{15}{/dev/rrom0}{Eighth ROM card (ro)}
- \minor{16}{/dev/flash0}{First flash memory card (rw)}
- \minordots
- \minor{23}{/dev/flash7}{Eighth flash memory card (rw)}
- \minor{24}{/dev/rflash0}{First flash memory card (ro)}
- \minordots
- \minor{31}{/dev/rflash7}{Eighth flash memory card (ro)}
-\end{devicelist}
-
-\noindent
-The read-write (rw) devices support back-caching written data in RAM,
-as well as writing to flash RAM devices. The read-only devices (ro)
-support reading only.
-
-\begin{devicelist}
-\major{32}{}{char }{Specialix serial card}
- \minor{0}{/dev/ttyX0}{First Specialix port}
- \minor{1}{/dev/ttyX1}{Second Specialix port}
- \minordots
-\\
-\major{ }{}{block}{Philips LMS CM-206 CD-ROM}
- \minor{0}{/dev/cm206cd}{Philips LMS CM-206 CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{33}{}{char }{Specialix serial card -- alternate devices}
- \minor{0}{/dev/cux0}{Callout device corresponding to {\file ttyX0}}
- \minor{1}{/dev/cux1}{Callout device corresponding to {\file ttyX1}}
- \minordots
-\\
-\major{ }{}{block}{Third IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hde}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdf}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{34}{}{char }{Z8530 HDLC driver}
- \minor{0}{/dev/scc0}{First Z8530, first port}
- \minor{1}{/dev/scc1}{First Z8530, second port}
- \minor{2}{/dev/scc2}{Second Z8530, first port}
- \minor{3}{/dev/scc3}{Second Z8530, second port}
- \minordots
-\end{devicelist}
-
-\noindent
-In a previous version these devices were named {\file /dev/sc1} for
-{\file /dev/scc0}, {\file /dev/sc2} for {\file /dev/scc1}, and so on.
-
-\begin{devicelist}
-\major{ }{}{block}{Fourth IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hdg}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdh}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{35}{}{char }{tclmidi MIDI driver}
- \minor{0}{/dev/midi0}{First MIDI port, kernel timed}
- \minor{1}{/dev/midi1}{Second MIDI port, kernel timed}
- \minor{2}{/dev/midi2}{Third MIDI port, kernel timed}
- \minor{3}{/dev/midi3}{Fourth MIDI port, kernel timed}
- \minor{64}{/dev/rmidi0}{First MIDI port, untimed}
- \minor{65}{/dev/rmidi1}{Second MIDI port, untimed}
- \minor{66}{/dev/rmidi2}{Third MIDI port, untimed}
- \minor{67}{/dev/rmidi3}{Fourth MIDI port, untimed}
- \minor{128}{/dev/smpte0}{First MIDI port, SMPTE timed}
- \minor{129}{/dev/smpte1}{Second MIDI port, SMPTE timed}
- \minor{130}{/dev/smpte2}{Third MIDI port, SMPTE timed}
- \minor{131}{/dev/smpte3}{Fourth MIDI port, SMPTE timed}
-\\
-\major{ }{}{block}{Slow memory ramdisk}
- \minor{0}{/dev/slram}{Slow memory ramdisk}
-\end{devicelist}
-
-\begin{devicelist}
-\major{36}{}{char }{Netlink support}
- \minor{0}{/dev/route}{Routing, device updates (kernel to user)}
- \minor{1}{/dev/skip}{enSKIP security cache control}
-\\
-\major{ }{}{block}{MCA ESDI hard disk}
- \minor{0}{/dev/eda}{First ESDI disk whole disk}
- \minor{64}{/dev/edb}{Second ESDI disk whole disk}
- \minordots
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for IDE disks (see major number
-3).
-
-\begin{devicelist}
-\major{37}{}{char }{IDE tape}
- \minor{0}{/dev/ht0}{First IDE tape}
- \minor{128}{/dev/nht0}{First IDE tape, no rewind-on-close}
-\end{devicelist}
-
-\noindent
-Currently, only one IDE tape drive is supported.
-
-\begin{devicelist}
-\major{ }{}{block}{Zorro II ramdisk}
- \minor{0}{/dev/z2ram}{Zorro II ramdisk}
-\end{devicelist}
-
-\begin{devicelist}
-\major{38}{}{char }{Myricom PCI Myrinet board}
- \minor{0}{/dev/mlanai0}{First Myrinet board}
- \minor{1}{/dev/mlanai1}{Second Myrinet board}
- \minordots
-\end{devicelist}
-
-\noindent
-This device is used for board control, status query and ``user level
-packet I/O''. The board is also accessible as a regular {\file eth}
-networking device.
-
-\begin{devicelist}
-\major{ }{}{block}{Reserved for Linux/AP+}
-\end{devicelist}
-
-\begin{devicelist}
-\major{39}{}{char }{ML-16P experimental I/O board}
- \minor{0}{/dev/ml16pa-a0}{First card, first analog channel}
- \minor{1}{/dev/ml16pa-a1}{First card, second analog channel}
- \minordots
- \minor{15}{/dev/ml16pa-a15}{First card, 16th analog channel}
- \minor{16}{/dev/ml16pa-d}{First card, digital lines}
- \minor{17}{/dev/ml16pa-c0}{First card, first counter/timer}
- \minor{18}{/dev/ml16pa-c1}{First card, second counter/timer}
- \minor{19}{/dev/ml16pa-c2}{First card, third counter/timer}
- \minor{32}{/dev/ml16pb-a0}{Second card, first analog channel}
- \minor{33}{/dev/ml16pb-a1}{Second card, second analog channel}
- \minordots
- \minor{47}{/dev/ml16pb-a15}{Second card, 16th analog channel}
- \minor{48}{/dev/ml16pb-d}{Second card, digital lines}
- \minor{49}{/dev/ml16pb-c0}{Second card, first counter/timer}
- \minor{50}{/dev/ml16pb-c1}{Second card, second counter/timer}
- \minor{51}{/dev/ml16pb-c2}{Second card, third counter/timer}
- \minordots
-\\
-\major{ }{}{block}{Reserved for Linux/AP+}
-\end{devicelist}
-
-\begin{devicelist}
-\major{40}{}{char }{Matrox Meteor frame grabber}
- \minor{0}{/dev/mmetfgrab}{Matrox Meteor frame grabber}
-\\
-\major{ }{}{block}{Syquest EZ135 parallel port removable drive}
- \minor{0}{/dev/eza}{Parallel EZ135 drive whole disk}
-\end{devicelist}
-
-\noindent
-This device is obsolete and will be removed in a future version of
-Linux. It has been replaced with the parallel port IDE disk driver at
-major number 45. Partitions are handled the same way as for IDE disks
-(see major number 3).
-
-\begin{devicelist}
-\major{41}{}{char }{Yet Another Micro Monitor}
- \minor{0}{/dev/yamm}{Yet Another Micro Monitor}
-\\
-\major{ }{}{block}{MicroSolutions BackPack parallel port CD-ROM}
- \minor{0}{/dev/bpcd}{BackPack CD-ROM}
-\end{devicelist}
-
-\noindent
-This device is obsolete and will be removed in a future version of
-Linux. It has been replaced with the parallel port ATAPI CD-ROM
-driver at major number 46.
-
-\begin{devicelist}
-\major{42}{}{}{Demo/sample use}
-\end{devicelist}
-
-\noindent
-This number is intended for use in sample code, as well as a general
-``example'' device number. It should never be used for a device
-driver that is being distributed; either obtain an official number or
-use the local/experimental range. The sudden addition or removal of a
-driver with this number should not cause ill effects to the system
-(bugs excepted.)
-
-IN PARTICULAR, ANY DISTRIBUTION WHICH CONTAINS A DEVICE DRIVER USING
-MAJOR NUMBER 42 IS NONCOMPLIANT.
-
-\begin{devicelist}
-\major{43}{}{char }{isdn4linux virtual modem}
- \minor{0}{/dev/ttyI0}{First virtual modem}
- \minordots
- \minor{63}{/dev/ttyI63}{64th virtual modem}
-\\
-\major{ }{}{block}{Network block devices}
- \minor{0}{/dev/nd0}{First network block device}
- \minor{1}{/dev/nd1}{Second network block device}
- \minordots
-\end{devicelist}
-
-\noindent
-Network Block Device is somehow similar to loopback devices: If you
-read from it, it sends packet accross network asking server for
-data. If you write to it, it sends packet telling server to write. It
-could be used to mounting filesystems over the net, swapping over the
-net, implementing block device in userland etc.
-
-\begin{devicelist}
-\major{44}{}{char }{isdn4linux virtual modem -- alternate devices}
- \minor{0}{/dev/cui0}{Callout device corresponding to {\file ttyI0}}
- \minordots
- \minor{63}{/dev/cui63}{Callout device corresponding to {\file ttyI63}}
-\\
-\major{ }{}{block}{Flash Translation Layer (FTL) filesystems}
- \minor{0}{/dev/ftla}{FTL on first Memory Technology Device}
- \minor{16}{/dev/ftlb}{FTL on second Memory Technology Device}
- \minor{32}{/dev/ftlc}{FTL on third Memory Technology Device}
- \minordots
- \minor{240}{/dev/ftlp}{FTL on 16th Memory Technology Device}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) expect that the partition limit is 15 rather than 63 per
-disk (same as SCSI.)
-
-\begin{devicelist}
-\major{45}{}{char }{isdn4linux ISDN BRI driver}
- \minor{0}{/dev/isdn0}{First virtual B channel raw data}
- \minordots
- \minor{63}{/dev/isdn63}{64th virtual B channel raw data}
- \minor{64}{/dev/isdnctrl0}{First channel control/debug}
- \minordots
- \minor{127}{/dev/isdnctrl63}{64th channel control/debug}
- \minor{128}{/dev/ippp0}{First SyncPPP device}
- \minordots
- \minor{191}{/dev/ippp63}{64th SyncPPP device}
- \minor{255}{/dev/isdninfo}{ISDN monitor interface}
-\\
-\major{ }{}{block}{Parallel port IDE disk devices}
- \minor{0}{/dev/pda}{First parallel port IDE disk}
- \minor{16}{/dev/pdb}{Second parallel port IDE disk}
- \minor{32}{/dev/pdc}{Third parallel port IDE disk}
- \minor{48}{/dev/pdd}{Fourth parallel port IDE disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{46}{}{char }{Comtrol Rocketport serial card}
- \minor{0}{/dev/ttyR0}{First Rocketport port}
- \minor{1}{/dev/ttyR1}{Second Rocketport port}
- \minordots
-\\
-\major{ }{}{block}{Parallel port ATAPI CD-ROM devices}
- \minor{0}{/dev/pcd0}{First parallel port ATAPI CD-ROM}
- \minor{1}{/dev/pcd1}{Second parallel port ATAPI CD-ROM}
- \minor{2}{/dev/pcd2}{Third parallel port ATAPI CD-ROM}
- \minor{3}{/dev/pcd3}{Fourth parallel port ATAPI CD-ROM}
-\end{devicelist}
-
-\begin{devicelist}
-\major{47}{}{char }{Comtrol Rocketport serial card -- alternate devices}
- \minor{0}{/dev/cur0}{Callout device corresponding to {\file ttyR0}}
- \minor{1}{/dev/cur1}{Callout device corresponding to {\file ttyR1}}
- \minordots
-\\
-\major{ }{}{block}{Parallel port ATAPI disk devices}
- \minor{0}{/dev/pf0}{First parallel port ATAPI disk}
- \minor{1}{/dev/pf1}{Second parallel port ATAPI disk}
- \minor{2}{/dev/pf2}{Third parallel port ATAPI disk}
- \minor{3}{/dev/pf3}{Fourth parallel port ATAPI disk}
-\end{devicelist}
-
-\noindent
-This driver is intended for floppy disks and similar devices and hence
-does not support partitioning.
-
-\begin{devicelist}
-\major{48}{}{char }{SDL RISCom serial card}
- \minor{0}{/dev/ttyL0}{First RISCom port}
- \minor{1}{/dev/ttyL1}{Second RISCom port}
- \minordots
-\\
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{49}{}{char }{SDL RISCom serial card -- alternate devices}
- \minor{0}{/dev/cul0}{Callout device corresponding to {\file ttyL0}}
- \minor{1}{/dev/cul1}{Callout device corresponding to {\file ttyL1}}
- \minordots
-\\
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{50}{}{char}{Reserved for GLINT}
-\\
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{51}{}{char }{Baycom radio modem}
- \minor{0}{/dev/bc0}{First Baycom radio modem}
- \minor{1}{/dev/bc1}{Second Baycom radio modem}
- \minordots
-\\
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{52}{}{char }{Spellcaster DataComm/BRI ISDN card}
- \minor{0}{/dev/dcbri0}{First DataComm card}
- \minor{1}{/dev/dcbri1}{Second DataComm card}
- \minor{2}{/dev/dcbri2}{Third DataComm card}
- \minor{3}{/dev/dcbri3}{Fourth DataComm card}
-\\
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{53}{}{char }{BDM interface for remote debugging MC683xx microcontrollers}
- \minor{0}{/dev/pd\_bdm0}{PD BDM interface on {\file lp0}}
- \minor{1}{/dev/pd\_bdm1}{PD BDM interface on {\file lp1}}
- \minor{2}{/dev/pd\_bdm2}{PD BDM interface on {\file lp2}}
- \minor{4}{/dev/icd\_bdm0}{ICD BDM interface on {\file lp0}}
- \minor{5}{/dev/icd\_bdm1}{ICD BDM interface on {\file lp1}}
- \minor{6}{/dev/icd\_bdm2}{ICD BDM interface on {\file lp2}}
-\end{devicelist}
-
-\noindent
-This device is used for the interfacing to the MC683xx
-microcontrollers via Background Debug Mode by use of a Parallel Port
-interface. PD is the Motorola Public Domain Interface and ICD is the
-commercial interface by P\&E.
-
-\begin{devicelist}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{54}{}{char }{Electrocardiognosis Holter serial card}
- \minor{0}{/dev/holter0}{First Holter port}
- \minor{1}{/dev/holter1}{Second Holter port}
- \minor{2}{/dev/holter2}{Third Holter port}
-\end{devicelist}
-
-\noindent
-A custom serial card used by Electrocardiognosis SRL
-$<$mseritan@ottonel.pub.ro$>$ to transfer data from Holter 24-hour
-heart monitoring equipment.
-
-\begin{devicelist}
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{55}{}{char }{DSP56001 digital signal processor}
- \minor{0}{/dev/dsp56k}{First DSP56001}
-\\
-\major{ }{}{block}{Reserved for Mylex DAC960 PCI RAID Controller}
-\end{devicelist}
-
-\begin{devicelist}
-\major{56}{}{char }{Apple Desktop Bus}
- \minor{0}{/dev/adb}{ADB bus control}
-\end{devicelist}
-
-\noindent
-Additional devices will be added to this number, all starting with
-{\file /dev/adb}.
-
-\begin{devicelist}
-\major{ }{}{block}{Fifth IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hdi}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdj}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{57}{}{char }{Hayes ESP serial card}
- \minor{0}{/dev/ttyP0}{First ESP port}
- \minor{1}{/dev/ttyP1}{Second ESP port}
- \minordots
-\\
-\major{ }{}{block}{Sixth IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hdk}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdl}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{58}{}{char }{Hayes ESP serial card -- alternate devices}
- \minor{0}{/dev/cup0}{Callout device corresponding to {\file ttyP0}}
- \minor{1}{/dev/cup1}{Callout device corresponding to {\file ttyP1}}
- \minordots
-\\
-\major{ }{}{block}{Reserved for logical volume manager}
-\end{devicelist}
-
-\begin{devicelist}
-\major{59}{}{char }{sf firewall package}
- \minor{0}{/dev/firewall}{Communication with sf kernel module}
-\end{devicelist}
-
-\begin{devicelist}
-\major{60}{--63}{}{Local/experimental use}
-\end{devicelist}
-
-\noindent
-For devices not assigned official numbers, these ranges should be
-used, in order to avoid conflict with future assignments.
-
-\begin{devicelist}
-\major{64}{}{char }{ENskip kernel encryption package}
- \minor{0}{/dev/enskip}{Communication with ENskip kernel
- module}
-\end{devicelist}
-
-\begin{devicelist}
-\major{65}{}{char }{Sundance ``plink'' Transputer boards}
- \minor{0}{/dev/plink0}{First plink device}
- \minor{1}{/dev/plink1}{Second plink device}
- \minor{2}{/dev/plink2}{Third plink device}
- \minor{3}{/dev/plink3}{Fourth plink device}
- \minor{64}{/dev/rplink0}{First plink device, raw}
- \minor{65}{/dev/rplink1}{Second plink device, raw}
- \minor{66}{/dev/rplink2}{Third plink device, raw}
- \minor{67}{/dev/rplink3}{Fourth plink device, raw}
- \minor{128}{/dev/plink0d}{First plink device, debug}
- \minor{129}{/dev/plink1d}{Second plink device, debug}
- \minor{130}{/dev/plink2d}{Third plink device, debug}
- \minor{131}{/dev/plink3d}{Fourth plink device, debug}
- \minor{192}{/dev/rplink0d}{First plink device, raw, debug}
- \minor{193}{/dev/rplink1d}{Second plink device, raw, debug}
- \minor{194}{/dev/rplink2d}{Third plink device, raw, debug}
- \minor{195}{/dev/rplink3d}{Fourth plink device, raw, debug}
-\end{devicelist}
-
-\noindent
-This is a commercial driver; contact James Howes
-$<$jth@prosig.demon.co.uk$>$ for information.
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI disk devices (16-31)}
- \minor{0}{/dev/sdq}{17th SCSI disk whole disk}
- \minor{16}{/dev/sdr}{18th SCSI disk whole disk}
- \minor{32}{/dev/sds}{19th SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sdaf}{32nd SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{66}{}{char }{YARC PowerPC PCI coprocessor card}
- \minor{0}{/dev/yppcpci0}{First YARC card}
- \minor{1}{/dev/yppcpci1}{Second YARC card}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI disk devices (32-47)}
- \minor{0}{/dev/sdag}{33rd SCSI disk whole disk}
- \minor{16}{/dev/sdah}{34th SCSI disk whole disk}
- \minor{32}{/dev/sdai}{35th SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sdav}{48th SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{67}{}{char }{Coda network filesystem}
- \minor{0}{/dev/cfs0}{Coda cache manager}
-\end{devicelist}
-
-\noindent
-See {\url http://www.coda.cs.cmu.edu\/} for information about Coda.
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI disk devices (48-63)}
- \minor{0}{/dev/sdaw}{49th SCSI disk whole disk}
- \minor{16}{/dev/sdax}{50th SCSI disk whole disk}
- \minor{32}{/dev/sday}{51st SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sdbl}{64th SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{68}{}{char }{CAPI 2.0 interface}
- \minor{0}{/dev/capi20}{Control device}
- \minor{1}{/dev/capi20.00}{First CAPI 2.0 application}
- \minor{2}{/dev/capi20.01}{Second CAPI 2.0 application}
- \minordots
- \minor{20}{/dev/capi20.19}{19th CAPI 2.0 application}
-\end{devicelist}
-
-\noindent
-ISDN CAPI 2.0 driver for use with CAPI 2.0 applications; currently
-supports the AVM B1 card.
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI disk devices (64-79)}
- \minor{0}{/dev/sdbm}{65th SCSI disk whole disk}
- \minor{16}{/dev/sdbn}{66th SCSI disk whole disk}
- \minor{32}{/dev/sdbo}{67th SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sdcb}{80th SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{69}{}{char }{MA16 numeric accelerator card}
- \minor{0}{/dev/ma16}{Board memory access}
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI disk devices (80-95)}
- \minor{0}{/dev/sdcc}{81st SCSI disk whole disk}
- \minor{16}{/dev/sdcd}{82nd SCSI disk whole disk}
- \minor{32}{/dev/sdce}{83th SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sdcr}{96th SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{70}{}{char }{SpellCaster Protocol Services Interface}
- \minor{0}{/dev/apscfg}{Configuration interface}
- \minor{1}{/dev/apsauth}{Authentication interface}
- \minor{2}{/dev/apslog}{Logging interface}
- \minor{3}{/dev/apsdbg}{Debugging interface}
- \minor{64}{/dev/apsisdn}{ISDN command interface}
- \minor{65}{/dev/apsasync}{Async command interface}
- \minor{128}{/dev/apsmon}{Monitor interface}
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI disk devices (96-111)}
- \minor{0}{/dev/sdcs}{97th SCSI disk whole disk}
- \minor{16}{/dev/sdct}{98th SCSI disk whole disk}
- \minor{32}{/dev/sdcu}{99th SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sddh}{112th SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{71}{}{char }{Computone IntelliPort II serial card}
- \minor{0}{/dev/ttyF0}{IntelliPort II board 0, port 0}
- \minor{1}{/dev/ttyF1}{IntelliPort II board 0, port 1}
- \minordots
- \minor{63}{/dev/ttyF63}{IntelliPort II board 0, port 63}
- \minor{64}{/dev/ttyF64}{IntelliPort II board 1, port 0}
- \minor{65}{/dev/ttyF65}{IntelliPort II board 1, port 1}
- \minordots
- \minor{127}{/dev/ttyF127}{IntelliPort II board 1, port 63}
- \minor{128}{/dev/ttyF128}{IntelliPort II board 2, port 0}
- \minor{129}{/dev/ttyF129}{IntelliPort II board 2, port 1}
- \minordots
- \minor{191}{/dev/ttyF191}{IntelliPort II board 2, port 63}
- \minor{192}{/dev/ttyF192}{IntelliPort II board 3, port 0}
- \minor{193}{/dev/ttyF193}{IntelliPort II board 3, port 1}
- \minordots
- \minor{255}{/dev/ttyF255}{IntelliPort II board 3, port 63}
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{SCSI disk devices (112-127)}
- \minor{0}{/dev/sddi}{113th SCSI disk whole disk}
- \minor{16}{/dev/sddj}{114th SCSI disk whole disk}
- \minor{32}{/dev/sddk}{115th SCSI disk whole disk}
- \minordots
- \minor{240}{/dev/sddx}{128th SCSI disk whole disk}
-\end{devicelist}
-
-\noindent
-Partitions are handled in the same way as for IDE disks (see major
-number 3) except that the partition limit is 15 rather than 63 per
-disk.
-
-\begin{devicelist}
-\major{72}{}{char }{Computone IntelliPort II serial card -- alternate devices}
- \minor{0}{/dev/cuf0}{Callout device corresponding to {\file ttyF0}}
- \minor{1}{/dev/cuf1}{Callout device corresponding to {\file ttyF1}}
- \minordots
- \minor{63}{/dev/cuf63}{Callout device corresponding to {\file ttyF63}}
- \minor{64}{/dev/cuf64}{Callout device corresponding to {\file ttyF64}}
- \minor{65}{/dev/cuf65}{Callout device corresponding to {\file ttyF65}}
- \minordots
- \minor{127}{/dev/cuf127}{Callout device corresponding to {\file ttyF127}}
- \minor{128}{/dev/cuf128}{Callout device corresponding to {\file ttyF128}}
- \minor{129}{/dev/cuf129}{Callout device corresponding to {\file ttyF129}}
- \minordots
- \minor{191}{/dev/cuf191}{Callout device corresponding to {\file ttyF191}}
- \minor{192}{/dev/cuf192}{Callout device corresponding to {\file ttyF192}}
- \minor{193}{/dev/cuf193}{Callout device corresponding to {\file ttyF193}}
- \minordots
- \minor{255}{/dev/cuf255}{Callout device corresponding to {\file ttyF255}}
-\end{devicelist}
-
-\begin{devicelist}
-\major{73}{}{char }{Computone IntelliPort II serial card -- control devices}
- \minor{0}{/dev/ip2ipl0}{Loadware device for board 0}
- \minor{1}{/dev/ip2stat0}{Status device for board 0}
- \minor{4}{/dev/ip2ipl1}{Loadware device for board 1}
- \minor{5}{/dev/ip2stat1}{Status device for board 1}
- \minor{8}{/dev/ip2ipl2}{Loadware device for board 2}
- \minor{9}{/dev/ip2stat2}{Status device for board 2}
- \minor{12}{/dev/ip2ipl3}{Loadware device for board 3}
- \minor{13}{/dev/ip2stat3}{Status device for board 3}
-\end{devicelist}
-
-\begin{devicelist}
-\major{74}{}{char }{SCI bridge}
- \minor{0}{/dev/SCI/0}{SCI device 0}
- \minor{1}{/dev/SCI/1}{SCI device 1}
- \minordots
-\end{devicelist}
-
-\noindent
-Currently for Dolphin Interconnect Solutions' PCI-SCI bridge.
-
-\begin{devicelist}
-\major{75}{}{char }{Specialix IO8+ serial card}
- \minor{0}{/dev/ttyW0}{First IO8+ port, first card}
- \minor{1}{/dev/ttyW1}{Second IO8+ port, first card}
- \minordots
- \minor{8}{/dev/ttyW8}{First IO8+ port, second card}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{76}{}{char }{Specialix IO8+ serial card -- alternate devices}
- \minor{0}{/dev/cuw0}{Callout device corresponding to {\file ttyW0}}
- \minor{1}{/dev/cuw1}{Callout device corresponding to {\file ttyW1}}
- \minordots
- \minor{8}{/dev/cuw8}{Callout device corresponding to {\file ttyW8}}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{77}{}{char }{ComScire Quantum Noise Generator}
- \minor{0}{/dev/qng}{ComScire Quantum Noise Generator}
-\end{devicelist}
-
-\begin{devicelist}
-\major{78}{}{char }{PAM Software's multimodem boards}
- \minor{0}{/dev/ttyM0}{First PAM modem}
- \minor{1}{/dev/ttyM1}{Second PAM modem}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{79}{}{char }{PAM Software's multimodem boards -- alternate devices}
- \minor{0}{/dev/cum0}{Callout device corresponding to {\file ttyM0}}
- \minor{1}{/dev/cum1}{Callout device corresponding to {\file ttyM1}}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{80}{}{char }{Photometrics AT200 CCD camera}
- \minor{0}{/dev/at200}{Photometrics AT200 CCD camera}
-\end{devicelist}
-
-\begin{devicelist}
-\major{81}{}{char }{video4linux}
- \minor{0}{/dev/video0}{Video capture/overlay device}
- \minordots
- \minor{63}{/dev/video63}{Video capture/overlay device}
- \minor{64}{/dev/radio0}{Radio device}
- \minordots
- \minor{127}{/dev/radio63}{Radio device}
- \minor{192}{/dev/vtx0}{Teletext device}
- \minordots
- \minor{223}{/dev/vtx31}{Teletext device}
- \minor{224}{/dev/vbi0}{Vertical blank interupt}
- \minordots
- \minor{255}{/dev/vbi31}{Vertical blank interupt}
-\end{devicelist}
-
-\begin{devicelist}
-\major{82}{}{char }{WiNRADiO communications receiver card}
- \minor{0}{/dev/winradio0}{First WiNRADiO card}
- \minor{1}{/dev/winradio1}{Second WiNRADiO card}
- \minordots
-\end{devicelist}
-
-\noindent
-The driver and documentation may be obtained from
-{\url http://www.proximity.com.au/~brian/winradio/\/}.
-
-\begin{devicelist}
-\major{83}{}{char }{Teletext/videotext interfaces}
- \minor{0}{/dev/vtx}{Teletext decoder}
- \minor{16}{/dev/vttuner}{TV tuner on teletext interface}
-\end{devicelist}
-
-\noindent
-Devices for the driver contained in the VideoteXt package. More information
-on {\url http://home.pages.de/~videotext/\/}.
-
-\begin{devicelist}
-\major{84}{}{char }{Ikon 1011[57] Versatec Greensheet Interface}
- \minor{0}{/dev/ihcp0}{First Greensheet port}
- \minor{1}{/dev/ihcp1}{Second Greensheet port}
-\end{devicelist}
-
-\begin{devicelist}
-\major{85}{}{char }{Linux/SGI shared memory input queue}
- \minor{0}{/dev/shmiq}{Master shared input queue}
- \minor{1}{/dev/qcntl0}{First device pushed}
- \minor{2}{/dev/qcntl1}{Second device pushed}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{86}{}{char }{SCSI media changer}
- \minor{0}{/dev/sch0}{First SCSI media changer}
- \minor{1}{/dev/sch1}{Second SCSI media changer}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{87}{}{char }{Sony Control-A1 stereo control bus}
- \minor{0}{/dev/controla0}{First device on chain}
- \minor{1}{/dev/controla1}{Second device on chain}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{88}{}{char }{COMX synchronous serial card}
- \minor{0}{/dev/comx0}{Channel 0}
- \minor{1}{/dev/comx1}{Channel 1}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{Seventh IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hdm}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdn}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{89}{}{char }{I$^2$C bus interface}
- \minor{0}{/dev/i2c0}{First I$^2$C adapter}
- \minor{1}{/dev/i2c1}{Second I$^2$C adapter}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{Eighth IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hdo}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdp}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{90}{}{char }{Memory Technology Device (RAM, ROM, Flash)}
- \minor{0}{/dev/mtd0}{First MTD (rw)}
- \minor{1}{/dev/mtdr0}{First MTD (ro)}
- \minordots
- \minor{30}{/dev/mtd15}{16th MTD (rw)}
- \minor{31}{/dev/mtdr15}{16th MTD (ro)}
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{Ninth IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hdq}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdr}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{91}{}{char }{CAN-Bus controller}
- \minor{0}{/dev/can0}{First CAN-Bus controller}
- \minor{1}{/dev/can1}{Second CAN-Bus controller}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{ }{}{block}{Tenth IDE hard disk/CD-ROM interface}
- \minor{0}{/dev/hds}{Master: whole disk (or CD-ROM)}
- \minor{64}{/dev/hdt}{Slave: whole disk (or CD-ROM)}
-\end{devicelist}
-
-\noindent
-Partitions are handled the same way as for the first interface (see
-major number 3).
-
-\begin{devicelist}
-\major{92}{}{char }{Reserved for ith Kommunikationstechnik MIC ISDN card}
-\end{devicelist}
-
-\begin{devicelist}
-\major{93}{}{char }{IBM Smart Capture Card frame grabber}
- \minor{0}{/dev/iscc0}{First Smart Capture Card}
- \minor{1}{/dev/iscc1}{Second Smart Capture Card}
- \minordots
- \minor{128}{/dev/isccctl0}{First Smart Capture Card control}
- \minor{129}{/dev/isccctl1}{Second Smart Capture Card control}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{94}{}{char }{miroVIDEO DC10/30 capture/playback device}
- \minor{0}{/dev/dcxx0}{First capture card}
- \minor{1}{/dev/dcxx1}{Second capture card}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{95}{}{char }{IP filter}
- \minor{0}{/dev/ipl}{Filter control device/log file}
- \minor{1}{/dev/ipnat}{NAT control device/log file}
- \minor{2}{/dev/ipstate}{State information log file}
- \minor{3}{/dev/ipauth}{Authentication control device/log file}
-\end{devicelist}
-
-\begin{devicelist}
-\major{96}{}{char }{Parallel port ATAPI tape devices}
- \minor{0}{/dev/pt0}{First parallel port ATAPI tape}
- \minor{1}{/dev/pt1}{Second parallel port ATAPI tape}
- \minor{2}{/dev/pt2}{Third parallel port ATAPI tape}
- \minor{3}{/dev/pt3}{Fourth parallel port ATAPI tape}
- \minor{128}{/dev/npt0}{First parallel port ATAPI tape, no rewind}
- \minor{129}{/dev/npt1}{Second parallel port ATAPI tape, no rewind}
- \minor{130}{/dev/npt2}{Third parallel port ATAPI tape, no rewind}
- \minor{131}{/dev/npt3}{Fourth parallel port ATAPI tape, no rewind}
-\end{devicelist}
-
-\begin{devicelist}
-\major{97}{}{char }{Parallel port generic ATAPI interface}
- \minor{0}{/dev/pg0}{First parallel port ATAPI device}
- \minor{1}{/dev/pg1}{Second parallel port ATAPI device}
- \minor{2}{/dev/pg2}{Third parallel port ATAPI device}
- \minor{3}{/dev/pg3}{Fourth parallel port ATAPI device}
-\end{devicelist}
-
-\noindent
-These devices support the same API as the generic SCSI devices.
-
-\begin{devicelist}
-\major{98}{}{char }{Control and Mesurement Device (comedi)}
- \minor{0}{/dev/comedi0}{First comedi device}
- \minor{1}{/dev/comedi1}{Second comedi device}
- \minordots
-\end{devicelist}
-
-\noindent
-See {\url http://stm.lbl.gov/comedi/} or {\url
-http://www.llp.fu-berlin.de/}.
-
-\begin{devicelist}
-\major{99}{}{char }{Raw parallel ports}
- \minor{0}{/dev/parport0}{First parallel port}
- \minor{1}{/dev/parport1}{Second parallel port}
- \minordots
-\end{devicelist}
-
-\noindent
-These devices can be used to drive parallel port devices from
-user-space while interacting with the parport sharing code.
-
-\begin{devicelist}
-\major{100}{}{char }{POTS (analogue telephone) A/B port}
- \minor{0}{/dev/phone0}{First telephone port}
- \minor{1}{/dev/phone1}{Second telephone port}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{101}{}{char }{Motorola DSP 56xxx board}
- \minor{0}{/dev/mdspstat}{Status information}
- \minor{1}{/dev/mdsp1}{First DSP board I/O and controls}
- \minordots
- \minor{16}{/dev/mdsp16}{16th DSP board I/O and controls}
-\end{devicelist}
-
-\begin{devicelist}
-\major{102}{}{char }{Philips SAA5249 Teletext signal decoder}
- \minor{0}{/dev/tlk0}{First Teletext decoder}
- \minor{1}{/dev/tlk1}{Second Teletext decoder}
- \minor{2}{/dev/tlk2}{Third Teletext decoder}
- \minor{3}{/dev/tlk3}{Fourth Teletext decoder}
-\end{devicelist}
-
-\begin{devicelist}
-\major{103}{}{char }{Arla network file system}
- \minor{0}{/dev/xfs0}{Arla XFS}
-\end{devicelist}
-
-\noindent
-Arla is a free clone of the Andrew File System, AFS. Any resemblance
-with the Swedish milk producer is coincidental. For more information
-about the project, write to $<$arla-drinkers@stacken.kth.se$>$ or
-subscribe to the arla-announce mailing list by sending a mail to
-$<$arla-announce-request@stacken.kth.se$>$.
-
-\begin{devicelist}
-\major{104}{}{char }{Flash BIOS support}
-\end{devicelist}
-
-\begin{devicelist}
-\major{105}{}{char }{Comtrol VS-1000 serial card}
- \minor{0}{/dev/ttyV0}{First VS-1000 port}
- \minor{1}{/dev/ttyV1}{Second VS-1000 port}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{106}{}{char }{Comtrol VS-1000 serial card -- alternate devices}
- \minor{0}{/dev/cuv0}{Callout device corresponding to {\file ttyV0}}
- \minor{1}{/dev/cuv1}{Callout device corresponding to {\file ttyV1}}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{107}{}{char }{3Dfx Voodoo Graphics device}
- \minor{0}{/dev/3dfx}{Primary 3Dfx graphics device}
-\end{devicelist}
-
-\begin{devicelist}
-\major{108}{}{char }{Device independent PPP interface}
- \minor{0}{/dev/ppp}{Device independent PPP interface}
-\end{devicelist}
-
-\begin{devicelist}
-\major{109}{}{char }{Reserved for logical volume manager}
-\end{devicelist}
-
-\begin{devicelist}
-\major{110}{}{char }{miroMEDIA Surround board}
- \minor{0}{/dev/srnd0}{First miroMEDIA Surround board}
- \minor{1}{/dev/srnd1}{First miroMEDIA Surround board}
- \minordots
-\end{devicelist}
-
-\begin{devicelist}
-\major{111}{--119}{}{Unallocated}
-\end{devicelist}
-
-\begin{devicelist}
-\major{120}{--127}{}{Local/experimental use}
-\end{devicelist}
-
-\begin{devicelist}
-\major{128}{--135}{char }{Unix98 PTY masters}
-\end{devicelist}
-
-\noindent
-These devices should not have corresponding device nodes; instead they
-should be accessed through the {\file /dev/ptmx} cloning device.
-
-\begin{devicelist}
-\major{136}{--143}{char }{Unix98 PTY slaves}
- \minor{0}{/dev/pts/0}{First Unix98 pseudo-TTY}
- \minor{1}{/dev/pts/1}{Second Unix98 pseudo-TTY}
- \minordots
-\end{devicelist}
-
-\noindent
-These device nodes are automatically generated with the proper
-permissions and modes by mounting the {\file devpts} filesystem onto
-{\file /dev/pts} with the appropriate mount options (distribution
-dependent.)
-
-\begin{devicelist}
-\major{144}{--239}{}{Unallocated}
-\end{devicelist}
-
-\begin{devicelist}
-\major{240}{--254}{}{Local/experimental use}
-\end{devicelist}
-
-\begin{devicelist}
-\major{255}{}{}{Reserved}
-\end{devicelist}
-
-\noindent
-This major is reserved to assist the expansion to a larger number
-space. No device nodes with this major should ever be created on any
-filesystem.
-
-\section{Additional /dev directory entries}
-
-This section details additional entries that should or may exist in the
-{\file /dev} directory. It is preferred that symbolic links use the
-same form (absolute or relative) as is indicated here. Links are
-classified as {\em hard\/} or {\em symbolic\/} depending on the
-preferred type of link; if possible, the indicated type of link should
-be used.
-
-\subsection{Compulsory links}
-
-These links should exist on all systems:
-
-\begin{nodelist}
-\link{/dev/fd}{/proc/self/fd}{symbolic}{File descriptors}
-\link{/dev/stdin}{fd/0}{symbolic}{Standard input file descriptor}
-\link{/dev/stdout}{fd/1}{symbolic}{Standard output file descriptor}
-\link{/dev/stderr}{fd/2}{symbolic}{Standard error file descriptor}
-\link{/dev/nfsd}{socksys}{symbolic}{Required by iBCS-2}
-\link{/dev/X0R}{null}{symbolic}{Required by iBCS-2}
-\end{nodelist}
-
-\noindent
-Note: The last device is: $<$letter {\tt X}$>$-$<$digit {\tt
-0}$>$-$<$letter {\tt R}$>$.
-
-\subsection{Recommended links}
-
-It is recommended that these links exist on all systems:
-
-\begin{nodelist}
-\link{/dev/core}{/proc/kcore}{symbolic}{Backward compatibility}
-\link{/dev/ramdisk}{ram0}{symbolic}{Backward compatibility}
-\link{/dev/ftape}{qft0}{symbolic}{Backward compatibility}
-\link{/dev/bttv0}{video0}{symbolic}{Backward compatibility}
-\link{/dev/radio}{radio0}{symbolic}{Backward compatibility}
-\link{/dev/scd?}{sr?}{hard}{Alternate name for CD-ROMs}
-\end{nodelist}
-
-\subsection{Locally defined links}
-
-The following links may be established locally to conform to the
-configuration of the system. This is merely a tabulation of existing
-practice, and does not constitute a recommendation. However, if they
-exist, they should have the following uses.
-
-\begin{nodelist}
-\vlink{/dev/mouse}{mouse port}{symbolic}{Current mouse device}
-\vlink{/dev/tape}{tape device}{symbolic}{Current tape device}
-\vlink{/dev/cdrom}{CD-ROM device}{symbolic}{Current CD-ROM device}
-\vlink{/dev/cdwriter}{CD-writer}{symbolic}{Current CD-writer device}
-\vlink{/dev/scanner}{scanner device}{symbolic}{Current scanner device}
-\vlink{/dev/modem}{modem port}{symbolic}{Current dialout device}
-\vlink{/dev/root}{root device}{symbolic}{Current root filesystem}
-\vlink{/dev/swap}{swap device}{symbolic}{Current swap device}
-\end{nodelist}
-
-\noindent
-{\file /dev/modem} should not be used for a modem which supports
-dialin as well as dialout, as it tends to cause lock file problems.
-If it exists, {\file /dev/modem} should point to the appropriate
-primary TTY device (the use of the alternate callout devices is
-deprecated.)
-
-For SCSI devices, {\file /dev/tape} and {\file /dev/cdrom} should
-point to the ``cooked'' devices ({\file /dev/st*} and {\file
-/dev/sr*}, respectively), whereas {\file /dev/cdwriter} and {\file
-/dev/scanner} should point to the appropriate generic SCSI devices
-({\file /dev/sg*}).
-
-{\file /dev/mouse} may point to a primary serial TTY device, a
-hardware mouse device, or a socket for a mouse driver program
-(e.g. {\file /dev/gpmdata}).
-
-\subsection{Sockets and pipes}
-
-Non-transient sockets or named pipes may exist in {\file /dev}.
-Common entries are:
-
-\begin{nodelist}
-\node{/dev/printer}{socket}{{\file lpd} local socket}
-\node{/dev/log}{socket}{{\file syslog} local socket}
-\node{/dev/gpmdata}{socket}{{\file gpm} mouse multiplexer}
-\end{nodelist}
-
-\section{Terminal devices}
-
-Terminal, or TTY devices are a special class of character devices. A
-terminal device is any device that could act as a controlling terminal
-for a session; this includes virtual consoles, serial ports, and
-pseudoterminals (PTYs).
-
-All terminal devices share a common set of capabilities known as line
-diciplines; these include the common terminal line dicipline as well
-as SLIP and PPP modes.
-
-All terminal devices are named similarly; this section explains the
-naming and use of the various types of TTYs. Note that the naming
-conventions include several historical warts; some of these are
-Linux-specific, some were inherited from other systems, and some
-reflect Linux outgrowing a borrowed convention.
-
-A hash mark ($\#$) in a device name is in all cases used here to
-indicate a decimal number without leading zeroes.
-
-\subsection{Virtual consoles and the console device}
-
-Virtual consoles are full-screen terminal displays on the system video
-monitor. Virtual consoles are named {\file /dev/tty$\#$}, with
-numbering starting at {\file /dev/tty1}; {\file /dev/tty0} is the
-current virtual console. {\file /dev/tty0} is the device that should
-be used to access the system video card on those architectures for
-which the frame buffer devices ({\file /dev/fb*}) are not applicable.
-Do not use {\file /dev/console} for this purpose.
-
-The {\em console device\/}, {\file /dev/console}, is the device to
-which system messages should be sent, and on which logins should be
-permitted in single-user mode. Starting with Linux 2.1.71, {\file
-/dev/console} is managed by the kernel; for previous versions it
-should be a symbolic link to either {\file /dev/tty0}, a specific
-virtual console such as {\file /dev/tty1}, or to a serial port primary
-({\file tty*}, not {\file cu*}) device, depending on the configuration
-of the system.
-
-\subsection{Serial ports}
-
-Serial ports are RS-232 serial ports and any device which simulates
-one, either in hardware (such as internal modems) or in software (such
-as the ISDN driver.) Under Linux, each serial ports has two device
-names, the primary or callin device and the alternate or callout one.
-Each kind of device is indicated by a different letter. For any
-letter $X$, the names of the devices are {\file /dev/tty${X\#}$} and
-{\file /dev/cu${x\#}$}, respectively; for historical reasons, {\file
-/dev/ttyS$\#$} and {\file /dev/ttyC$\#$} correspond to {\file
-/dev/cua$\#$} and {\file /dev/cub$\#$}. In the future, it should be
-expected that multiple letters will be used; all letters will be upper
-case for the {\file tty} device (e.g. {\file /dev/ttyDP$\#$} and lower
-case for the {\file cu} device (e.g. {\file /dev/cudp$\#$}.
-
-The use of the callout devices is deprecated.
-
-The names {\file /dev/ttyQ$\#$} and {\file /dev/cuq$\#$} are reserved
-for local use.
-
-The alternate devices provide for kernel-based exclusion and somewhat
-different defaults than the primary devices. Their main purpose is to
-allow the use of serial ports with programs with no inherent or broken
-support for serial ports. Their use is deprecated, and they may be
-removed from a future version of Linux.
-
-Arbitration of serial ports is provided by the use of lock files with
-the names {\file /var/lock/LCK..tty${X\#}$}. The contents of the lock
-file should be the PID of the locking process as an ASCII number.
-
-It is common practice to install links such as {\file /dev/modem\/}
-which point to serial ports. In order to ensure proper locking in the
-presence of these links, it is recommended that software chase
-symlinks and lock all possible names; additionally, it is recommended
-that a lock file be installed with the corresponding alternate
-device. In order to avoid deadlocks, it is recommended that the locks
-are acquired in the following order, and released in the reverse:
-\begin{itemize}
-\item{The symbolic link name, if any ({\file /var/lock/LCK..modem})}
-\item{The {\file tty} name ({\file /var/lock/LCK..ttyS2})}
-\item{The alternate device name ({\file /var/lock/LCK..cua2})}
-\end{itemize}
-In the case of nested symbolic links, the lock files should be
-installed in the order the symlinks are resolved.
-
-Under no circumstances should an application hold a lock while waiting
-for another to be released. In addition, applications which attempt
-to create lock files for the corresponding alternate device names
-should take into account the possibility of being used on a non-serial
-port TTY, for which no alternate device would exist.
-
-\subsection{Pseudoterminals (PTYs)}
-
-Pseudoterminals, or PTYs, are used to create login sessions or provide
-other capabilities requiring a TTY line dicipline (including SLIP or
-PPP capability) to arbitrary data-generation processes. Each PTY has
-a {\em master\/} side, named {\file /dev/pty[p-za-e][0-9a-f]\/}, and a
-{\em slave\/} side, named {\file /dev/tty[p-za-e][0-9a-f]\/}. The
-kernel arbitrates the use of PTYs by allowing each master side to be
-opened only once.
-
-Once the master side has been opened, the corresponding slave device
-can be used in the same manner as any TTY device. The master and
-slave devices are connected by the kernel, generating the equivalent
-of a bidirectional pipe with TTY capabilities.
-
-Recent versions of the Linux kernels and GNU libc contain support for
-the System V/Unix98 naming scheme for PTYs, which assigns a common
-device {\file /dev/ptmx\/} to all the masters (opening it will
-automatically give you a previously unassigned PTY) and a subdirectory
-{\file /dev/pts\/} for the slaves; the slaves are named with decimal
-integers ({\file /dev/pts/$\#$\/} in our notation). This removes the
-problem of exhausting the namespace and enables the kernel to
-automatically create the device nodes for the slaves on demand using
-the {\file devpts\/} filesystem.
-
-\end{document}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)