Maintained by Torben Mathiasen <device@lanana.org>
- Last revised: 25 January 2005
+ Last revised: 29 November 2006
This list is the Linux Device List, the official registry of allocated
device numbers and /dev directory nodes for the Linux operating
7 = /dev/full Returns ENOSPC on write
8 = /dev/random Nondeterministic random number gen.
9 = /dev/urandom Faster, less secure random number gen.
- 10 = /dev/aio Asyncronous I/O notification interface
+ 10 = /dev/aio Asynchronous I/O notification interface
11 = /dev/kmsg Writes to this come out as printk's
- 12 = /dev/oldmem Access to crash dump from kexec kernel
+
1 block RAM disk
0 = /dev/ram0 First RAM disk
1 = /dev/ram1 Second RAM disk
devices are on major 128 and above and use the PTY
master multiplex (/dev/ptmx) to acquire a PTY on
demand.
-
+
2 block Floppy disks
0 = /dev/fd0 Controller 0, drive 0, autodetect
1 = /dev/fd1 Controller 0, drive 1, autodetect
129 = /dev/vcsa1 tty1 text/attribute contents
...
191 = /dev/vcsa63 tty63 text/attribute contents
-
+
NOTE: These devices permit both read and write access.
7 block Loopback devices
- 0 = /dev/loop0 First loopback device
- 1 = /dev/loop1 Second loopback device
+ 0 = /dev/loop0 First loop device
+ 1 = /dev/loop1 Second loop device
...
- The loopback devices are used to mount filesystems not
+ The loop devices are used to mount filesystems not
associated with block devices. The binding to the
- loopback devices is handled by mount(8) or losetup(8).
+ loop devices is handled by mount(8) or losetup(8).
8 block SCSI disk devices (0-15)
0 = /dev/sda First SCSI disk whole disk
207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture
208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller
209 = /dev/compaq/cpqrid Compaq Remote Insight Driver
- 210 = /dev/impi/bt IMPI coprocessor block transfer
+ 210 = /dev/impi/bt IMPI coprocessor block transfer
211 = /dev/impi/smic IMPI coprocessor stream interface
212 = /dev/watchdogs/0 First watchdog device
213 = /dev/watchdogs/1 Second watchdog device
33 = /dev/patmgr1 Sequencer patch manager
34 = /dev/midi02 Third MIDI port
50 = /dev/midi03 Fourth MIDI port
+
14 block BIOS harddrive callback support {2.6}
0 = /dev/dos_hda First BIOS harddrive whole disk
64 = /dev/dos_hdb Second BIOS harddrive whole disk
16 char Non-SCSI scanners
0 = /dev/gs4500 Genius 4500 handheld scanner
+
16 block GoldStar CD-ROM
0 = /dev/gscd GoldStar CD-ROM
0 = /dev/ttyC0 First Cyclades port
...
31 = /dev/ttyC31 32nd Cyclades port
+
19 block "Double" compressed disk
0 = /dev/double0 First compressed disk
...
0 = /dev/cub0 Callout device for ttyC0
...
31 = /dev/cub31 Callout device for ttyC31
+
20 block Hitachi CD-ROM (under development)
0 = /dev/hitcd Hitachi CD-ROM
This device is used on the ARM-based Acorn RiscPC.
Partitions are handled the same way as for IDE disks
- (see major number 3).
+ (see major number 3).
22 char Digiboard serial card
0 = /dev/ttyD0 First Digiboard port
22 block Second IDE hard disk/CD-ROM interface
0 = /dev/hdc Master: whole disk (or CD-ROM)
64 = /dev/hdd Slave: whole disk (or CD-ROM)
-
+
Partitions are handled the same way as for the first
interface (see major number 3).
26 char Quanta WinVision frame grabber {2.6}
0 = /dev/wvisfgrab Quanta WinVision frame grabber
+
26 block Second Matsushita (Panasonic/SoundBlaster) CD-ROM
0 = /dev/sbpcd4 Panasonic CD-ROM controller 1 unit 0
1 = /dev/sbpcd5 Panasonic CD-ROM controller 1 unit 1
37 = /dev/nrawqft1 Unit 1, no rewind-on-close, no file marks
38 = /dev/nrawqft2 Unit 2, no rewind-on-close, no file marks
39 = /dev/nrawqft3 Unit 3, no rewind-on-close, no file marks
+
27 block Third Matsushita (Panasonic/SoundBlaster) CD-ROM
0 = /dev/sbpcd8 Panasonic CD-ROM controller 2 unit 0
1 = /dev/sbpcd9 Panasonic CD-ROM controller 2 unit 1
1 = /dev/staliomem1 Second Stallion card I/O memory
2 = /dev/staliomem2 Third Stallion card I/O memory
3 = /dev/staliomem3 Fourth Stallion card I/O memory
+
28 char Atari SLM ACSI laser printer (68k/Atari)
0 = /dev/slm0 First SLM laser printer
1 = /dev/slm1 Second SLM laser printer
1 = /dev/sbpcd13 Panasonic CD-ROM controller 3 unit 1
2 = /dev/sbpcd14 Panasonic CD-ROM controller 3 unit 2
3 = /dev/sbpcd15 Panasonic CD-ROM controller 3 unit 3
+
28 block ACSI disk (68k/Atari)
0 = /dev/ada First ACSI disk whole disk
16 = /dev/adb Second ACSI disk whole disk
31 char MPU-401 MIDI
0 = /dev/mpu401data MPU-401 data port
1 = /dev/mpu401stat MPU-401 status port
+
31 block ROM/flash memory card
0 = /dev/rom0 First ROM card (rw)
...
34 block Fourth IDE hard disk/CD-ROM interface
0 = /dev/hdg Master: whole disk (or CD-ROM)
64 = /dev/hdh Slave: whole disk (or CD-ROM)
-
+
Partitions are handled the same way as for the first
interface (see major number 3).
129 = /dev/smpte1 Second MIDI port, SMPTE timed
130 = /dev/smpte2 Third MIDI port, SMPTE timed
131 = /dev/smpte3 Fourth MIDI port, SMPTE timed
+
35 block Slow memory ramdisk
0 = /dev/slram Slow memory ramdisk
16 = /dev/tap0 First Ethertap device
...
31 = /dev/tap15 16th Ethertap device
+
36 block MCA ESDI hard disk
0 = /dev/eda First ESDI disk whole disk
64 = /dev/edb Second ESDI disk whole disk
40 char Matrox Meteor frame grabber {2.6}
0 = /dev/mmetfgrab Matrox Meteor frame grabber
+
40 block Syquest EZ135 parallel port removable drive
0 = /dev/eza Parallel EZ135 drive, whole disk
41 char Yet Another Micro Monitor
0 = /dev/yamm Yet Another Micro Monitor
+
41 block MicroSolutions BackPack parallel port CD-ROM
0 = /dev/bpcd BackPack CD-ROM
the parallel port ATAPI CD-ROM driver at major number 46.
42 char Demo/sample use
+
42 block Demo/sample use
This number is intended for use in sample code, as
0 = /dev/ttyI0 First virtual modem
...
63 = /dev/ttyI63 64th virtual modem
+
43 block Network block devices
0 = /dev/nb0 First network block device
1 = /dev/nb1 Second network block device
0 = /dev/cui0 Callout device for ttyI0
...
63 = /dev/cui63 Callout device for ttyI63
+
44 block Flash Translation Layer (FTL) filesystems
0 = /dev/ftla FTL on first Memory Technology Device
16 = /dev/ftlb FTL on second Memory Technology Device
32 = /dev/ftlc FTL on third Memory Technology Device
...
- 240 = /dev/ftlp FTL on 16th Memory Technology Device
+ 240 = /dev/ftlp FTL on 16th Memory Technology Device
Partitions are handled in the same way as for IDE
- disks (see major number 3) expect that the partition
+ disks (see major number 3) except that the partition
limit is 15 rather than 63 per disk (same as SCSI.)
45 char isdn4linux ISDN BRI driver
191 = /dev/ippp63 64th SyncPPP device
255 = /dev/isdninfo ISDN monitor interface
+
45 block Parallel port IDE disk devices
0 = /dev/pda First parallel port IDE disk
16 = /dev/pdb Second parallel port IDE disk
1 = /dev/dcbri1 Second DataComm card
2 = /dev/dcbri2 Third DataComm card
3 = /dev/dcbri3 Fourth DataComm card
+
52 block Mylex DAC960 PCI RAID controller; fifth controller
0 = /dev/rd/c4d0 First disk, whole disk
8 = /dev/rd/c4d1 Second disk, whole disk
55 char DSP56001 digital signal processor
0 = /dev/dsp56k First DSP56001
- 55 block Mylex DAC960 PCI RAID controller; eigth controller
+
+ 55 block Mylex DAC960 PCI RAID controller; eighth controller
0 = /dev/rd/c7d0 First disk, whole disk
8 = /dev/rd/c7d1 Second disk, whole disk
...
0 = /dev/cup0 Callout device for ttyP0
1 = /dev/cup1 Callout device for ttyP1
...
+
58 block Reserved for logical volume manager
59 char sf firewall package
NAMING CONFLICT -- PROPOSED REVISED NAME /dev/rpda0 etc
60-63 char LOCAL/EXPERIMENTAL USE
+
60-63 block LOCAL/EXPERIMENTAL USE
Allocated for local/experimental use. For devices not
assigned official numbers, these ranges should be
The filename of the encrypted container and the passwords
are sent via ioctls (using the sdmount tool) to the master
node which then activates them via one of the
- /dev/scramdisk/x nodes for loopback mounting (all handled
+ /dev/scramdisk/x nodes for loop mounting (all handled
through the sdmount tool).
Requested by: andy@scramdisklinux.org
DAC960 (see major number 48) except that the limit on
partitions is 15.
-
78 char PAM Software's multimodem boards
0 = /dev/ttyM0 First PAM modem
1 = /dev/ttyM1 Second PAM modem
DAC960 (see major number 48) except that the limit on
partitions is 15.
-
79 char PAM Software's multimodem boards - alternate devices
0 = /dev/cum0 Callout device for ttyM0
1 = /dev/cum1 Callout device for ttyM1
...
- 79 block Compaq Intelligent Drive Array, eigth controller
+ 79 block Compaq Intelligent Drive Array, eighth controller
0 = /dev/ida/c7d0 First logical drive whole disk
16 = /dev/ida/c7d1 Second logical drive whole disk
...
DAC960 (see major number 48) except that the limit on
partitions is 15.
-
80 char Photometrics AT200 CCD camera
0 = /dev/at200 Photometrics AT200 CCD camera
1 = /dev/dcxx1 Second capture card
...
- 94 block IBM S/390 DASD block storage
+ 94 block IBM S/390 DASD block storage
0 = /dev/dasda First DASD device, major
1 = /dev/dasda1 First DASD device, block 1
2 = /dev/dasda2 First DASD device, block 2
1 = /dev/ipnat NAT control device/log file
2 = /dev/ipstate State information log file
3 = /dev/ipauth Authentication control device/log file
- ...
+ ...
96 char Parallel port ATAPI tape devices
0 = /dev/pt0 First parallel port ATAPI tape
129 = /dev/npt1 Second p.p. ATAPI tape, no rewind
...
- 96 block Inverse NAND Flash Translation Layer
+ 96 block Inverse NAND Flash Translation Layer
0 = /dev/inftla First INFTL layer
16 = /dev/inftlb Second INFTL layer
...
These devices support the same API as the generic SCSI
devices.
- 97 block Packet writing for CD/DVD devices
- 0 = /dev/pktcdvd0 First packet-writing module
- 1 = /dev/pktcdvd1 Second packet-writing module
- ...
-
98 char Control and Measurement Device (comedi)
0 = /dev/comedi0 First comedi device
1 = /dev/comedi1 Second comedi device
1 = /dev/av1 Second A/V card
...
-111 block Compaq Next Generation Drive Array, eigth controller
+111 block Compaq Next Generation Drive Array, eighth controller
0 = /dev/cciss/c7d0 First logical drive, whole disk
16 = /dev/cciss/c7d1 Second logical drive, whole disk
...
...
113 block IBM iSeries virtual CD-ROM
-
0 = /dev/iseries/vcda First virtual CD-ROM
1 = /dev/iseries/vcdb Second virtual CD-ROM
...
116 char Advanced Linux Sound Driver (ALSA)
116 block MicroMemory battery backed RAM adapter (NVRAM)
- Supports 16 boards, 15 paritions each.
+ Supports 16 boards, 15 partitions each.
Requested by neilb at cse.unsw.edu.au.
0 = /dev/umem/d0 Whole of first board
...
119 char VMware virtual network control
- 0 = /dev/vnet0 1st virtual network
- 1 = /dev/vnet1 2nd virtual network
+ 0 = /dev/vmnet0 1st virtual network
+ 1 = /dev/vmnet1 2nd virtual network
...
120-127 char LOCAL/EXPERIMENTAL USE
+
120-127 block LOCAL/EXPERIMENTAL USE
Allocated for local/experimental use. For devices not
assigned official numbers, these ranges should be
nodes; instead they should be accessed through the
/dev/ptmx cloning interface.
-
128 block SCSI disk devices (128-143)
0 = /dev/sddy 129th SCSI disk whole disk
16 = /dev/sddz 130th SCSI disk whole disk
disks (see major number 3) except that the limit on
partitions is 15.
-
129 block SCSI disk devices (144-159)
0 = /dev/sdeo 145th SCSI disk whole disk
16 = /dev/sdep 146th SCSI disk whole disk
disks (see major number 3) except that the limit on
partitions is 15.
-
132 block SCSI disk devices (192-207)
0 = /dev/sdgk 193rd SCSI disk whole disk
16 = /dev/sdgl 194th SCSI disk whole disk
disks (see major number 3) except that the limit on
partitions is 15.
-
133 block SCSI disk devices (208-223)
0 = /dev/sdha 209th SCSI disk whole disk
16 = /dev/sdhb 210th SCSI disk whole disk
disks (see major number 3) except that the limit on
partitions is 15.
-
134 block SCSI disk devices (224-239)
0 = /dev/sdhq 225th SCSI disk whole disk
16 = /dev/sdhr 226th SCSI disk whole disk
disks (see major number 3) except that the limit on
partitions is 15.
-
135 block SCSI disk devices (240-255)
0 = /dev/sdig 241st SCSI disk whole disk
16 = /dev/sdih 242nd SCSI disk whole disk
disks (see major number 3) except that the limit on
partitions is 15.
-
136-143 char Unix98 PTY slaves
0 = /dev/pts/0 First Unix98 pseudo-TTY
1 = /dev/pts/1 Second Unix98 pesudo-TTY
...
159 char RESERVED
+
159 block RESERVED
160 char General Purpose Instrument Bus (GPIB)
Partitions are handled in the same way as for IDE
disks (see major number 3) except that the limit on
- partitions is 31.
+ partitions is 31.
162 char Raw block device interface
0 = /dev/rawctl Raw I/O control device
171 char Reserved for IEEE 1394 (Firewire)
-
172 char Moxa Intellio serial card
0 = /dev/ttyMX0 First Moxa port
1 = /dev/ttyMX1 Second Moxa port
0 = /dev/usb/lp0 First USB printer
...
15 = /dev/usb/lp15 16th USB printer
- 16 = /dev/usb/mouse0 First USB mouse
- ...
- 31 = /dev/usb/mouse15 16th USB mouse
- 32 = /dev/usb/ez0 First USB firmware loader
- ...
- 47 = /dev/usb/ez15 16th USB firmware loader
48 = /dev/usb/scanner0 First USB scanner
...
63 = /dev/usb/scanner15 16th USB scanner
64 = /dev/usb/rio500 Diamond Rio 500
65 = /dev/usb/usblcd USBLCD Interface (info@usblcd.de)
66 = /dev/usb/cpad0 Synaptics cPad (mouse/LCD)
+ 96 = /dev/usb/hiddev0 1st USB HID device
+ ...
+ 111 = /dev/usb/hiddev15 16th USB HID device
+ 112 = /dev/usb/auer0 1st auerswald ISDN device
+ ...
+ 127 = /dev/usb/auer15 16th auerswald ISDN device
+ 128 = /dev/usb/brlvgr0 First Braille Voyager device
+ ...
+ 131 = /dev/usb/brlvgr3 Fourth Braille Voyager device
+ 132 = /dev/usb/idmouse ID Mouse (fingerprint scanner) device
+ 133 = /dev/usb/sisusbvga1 First SiSUSB VGA device
+ ...
+ 140 = /dev/usb/sisusbvga8 Eighth SISUSB VGA device
+ 144 = /dev/usb/lcd USB LCD device
+ 160 = /dev/usb/legousbtower0 1st USB Legotower device
+ ...
+ 175 = /dev/usb/legousbtower15 16th USB Legotower device
+ 240 = /dev/usb/dabusb0 First daubusb device
+ ...
+ 243 = /dev/usb/dabusb3 Fourth dabusb device
180 block USB block devices
- 0 = /dev/uba First USB block device
- 8 = /dev/ubb Second USB block device
- 16 = /dev/ubc Thrid USB block device
- ...
+ 0 = /dev/uba First USB block device
+ 8 = /dev/ubb Second USB block device
+ 16 = /dev/ubc Third USB block device
+ ...
181 char Conrad Electronic parallel port radio clocks
0 = /dev/pcfclock0 First Conrad radio clock
32 = /dev/mvideo/status2 Third device
...
...
- 240 = /dev/mvideo/status15 16th device
+ 240 = /dev/mvideo/status15 16th device
...
195 char Nvidia graphics devices
1 = /dev/cpu/1/msr MSRs on CPU 1
...
+202 block Xen Virtual Block Device
+ 0 = /dev/xvda First Xen VBD whole disk
+ 16 = /dev/xvdb Second Xen VBD whole disk
+ 32 = /dev/xvdc Third Xen VBD whole disk
+ ...
+ 240 = /dev/xvdp Sixteenth Xen VBD whole disk
+
+ Partitions are handled in the same way as for IDE
+ disks (see major number 3) except that the limit on
+ partitions is 15.
+
203 char CPU CPUID information
0 = /dev/cpu/0/cpuid CPUID on CPU 0
1 = /dev/cpu/1/cpuid CPUID on CPU 1
46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0
...
47 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5
- 50 = /dev/ttyIOC40 Altix serial card
+ 50 = /dev/ttyIOC0 Altix serial card
+ ...
+ 81 = /dev/ttyIOC31 Altix serial card
+ 82 = /dev/ttyVR0 NEC VR4100 series SIU
+ 83 = /dev/ttyVR1 NEC VR4100 series DSIU
+ 84 = /dev/ttyIOC84 Altix ioc4 serial card
+ ...
+ 115 = /dev/ttyIOC115 Altix ioc4 serial card
+ 116 = /dev/ttySIOC0 Altix ioc3 serial card
+ ...
+ 147 = /dev/ttySIOC31 Altix ioc3 serial card
+ 148 = /dev/ttyPSC0 PPC PSC - port 0
+ ...
+ 153 = /dev/ttyPSC5 PPC PSC - port 5
+ 154 = /dev/ttyAT0 ATMEL serial port 0
+ ...
+ 169 = /dev/ttyAT15 ATMEL serial port 15
+ 170 = /dev/ttyNX0 Hilscher netX serial port 0
...
- 81 = /dev/ttyIOC431 Altix serial card
- 82 = /dev/ttyVR0 NEC VR4100 series SIU
- 83 = /dev/ttyVR1 NEC VR4100 series DSIU
+ 185 = /dev/ttyNX15 Hilscher netX serial port 15
+ 186 = /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation
+ 187 = /dev/ttyUL0 Xilinx uartlite - port 0
+ ...
+ 190 = /dev/ttyUL3 Xilinx uartlite - port 3
+ 191 = /dev/xvc0 Xen virtual console - port 0
205 char Low-density serial ports (alternate device)
0 = /dev/culu0 Callout device for ttyLU0
50 = /dev/cuioc40 Callout device for ttyIOC40
...
81 = /dev/cuioc431 Callout device for ttyIOC431
- 82 = /dev/cuvr0 Callout device for ttyVR0
- 83 = /dev/cuvr1 Callout device for ttyVR1
-
+ 82 = /dev/cuvr0 Callout device for ttyVR0
+ 83 = /dev/cuvr1 Callout device for ttyVR1
206 char OnStream SC-x0 tape devices
0 = /dev/osst0 First OnStream SCSI tape, mode 0
...
212 char LinuxTV.org DVB driver subsystem
-
0 = /dev/dvb/adapter0/video0 first video decoder of first card
1 = /dev/dvb/adapter0/audio0 first audio decoder of first card
2 = /dev/dvb/adapter0/sec0 (obsolete/unused)
...
196 = /dev/dvb/adapter3/video0 first video decoder of fourth card
-
216 char Bluetooth RFCOMM TTY devices
0 = /dev/rfcomm0 First Bluetooth RFCOMM TTY device
1 = /dev/rfcomm1 Second Bluetooth RFCOMM TTY device
2 = /dev/3270/tub2 Second 3270 terminal
...
-229 char IBM iSeries virtual console
- 0 = /dev/iseries/vtty0 First console port
- 1 = /dev/iseries/vtty1 Second console port
+229 char IBM iSeries/pSeries virtual console
+ 0 = /dev/hvc0 First console port
+ 1 = /dev/hvc1 Second console port
...
230 char IBM iSeries virtual tape
ioctl()'s can be used to rewind the tape regardless of
the device used to access it.
-231 char InfiniBand MAD
+231 char InfiniBand
0 = /dev/infiniband/umad0
1 = /dev/infiniband/umad1
- ...
+ ...
+ 63 = /dev/infiniband/umad63 63rd InfiniBandMad device
+ 64 = /dev/infiniband/issm0 First InfiniBand IsSM device
+ 65 = /dev/infiniband/issm1 Second InfiniBand IsSM device
+ ...
+ 127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device
+ 128 = /dev/infiniband/uverbs0 First InfiniBand verbs device
+ 129 = /dev/infiniband/uverbs1 Second InfiniBand verbs device
+ ...
+ 159 = /dev/infiniband/uverbs31 31st InfiniBand verbs device
+
+232 char Biometric Devices
+ 0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device
+ 1 = /dev/biometric/sensor0/iris first iris sensor on first device
+ 2 = /dev/biometric/sensor0/retina first retina sensor on first device
+ 3 = /dev/biometric/sensor0/voiceprint first voiceprint sensor on first device
+ 4 = /dev/biometric/sensor0/facial first facial sensor on first device
+ 5 = /dev/biometric/sensor0/hand first hand sensor on first device
+ ...
+ 10 = /dev/biometric/sensor1/fingerprint first fingerprint sensor on second device
+ ...
+ 20 = /dev/biometric/sensor2/fingerprint first fingerprint sensor on third device
+ ...
-232-239 UNASSIGNED
+233 char PathScale InfiniPath interconnect
+ 0 = /dev/ipath Primary device for programs (any unit)
+ 1 = /dev/ipath0 Access specifically to unit 0
+ 2 = /dev/ipath1 Access specifically to unit 1
+ ...
+ 4 = /dev/ipath3 Access specifically to unit 3
+ 129 = /dev/ipath_sma Device used by Subnet Management Agent
+ 130 = /dev/ipath_diag Device used by diagnostics programs
+
+234-239 UNASSIGNED
240-254 char LOCAL/EXPERIMENTAL USE
+
240-254 block LOCAL/EXPERIMENTAL USE
Allocated for local/experimental use. For devices not
assigned official numbers, these ranges should be
used in order to avoid conflicting with future assignments.
255 char RESERVED
+
255 block RESERVED
This major is reserved to assist the expansion to a
larger number space. No device nodes with this major
should ever be created on the filesystem.
+ (This is probably not true anymore, but I'll leave it
+ for now /Torben)
+
+---LARGE MAJORS!!!!!---
+
+256 char Equinox SST multi-port serial boards
+ 0 = /dev/ttyEQ0 First serial port on first Equinox SST board
+ 127 = /dev/ttyEQ127 Last serial port on first Equinox SST board
+ 128 = /dev/ttyEQ128 First serial port on second Equinox SST board
+ ...
+ 1027 = /dev/ttyEQ1027 Last serial port on eighth Equinox SST board
+
+256 block Resident Flash Disk Flash Translation Layer
+ 0 = /dev/rfda First RFD FTL layer
+ 16 = /dev/rfdb Second RFD FTL layer
+ ...
+ 240 = /dev/rfdp 16th RFD FTL layer
+
+257 char Phoenix Technologies Cryptographic Services Driver
+ 0 = /dev/ptlsec Crypto Services Driver
+
+257 block SSFDC Flash Translation Layer filesystem
+ 0 = /dev/ssfdca First SSFDC layer
+ 8 = /dev/ssfdcb Second SSFDC layer
+ 16 = /dev/ssfdcc Third SSFDC layer
+ 24 = /dev/ssfdcd 4th SSFDC layer
+ 32 = /dev/ssfdce 5th SSFDC layer
+ 40 = /dev/ssfdcf 6th SSFDC layer
+ 48 = /dev/ssfdcg 7th SSFDC layer
+ 56 = /dev/ssfdch 8th SSFDC layer
+
+258 block ROM/Flash read-only translation layer
+ 0 = /dev/blockrom0 First ROM card's translation layer interface
+ 1 = /dev/blockrom1 Second ROM card's translation layer interface
+ ...
**** ADDITIONAL /dev DIRECTORY ENTRIES
pseudoterminals (PTYs).
All terminal devices share a common set of capabilities known as line
-diciplines; these include the common terminal line dicipline as well
+disciplines; these include the common terminal line discipline as well
as SLIP and PPP modes.
All terminal devices are named similarly; this section explains the
Pseudoterminals (PTYs)
Pseudoterminals, or PTYs, are used to create login sessions or provide
-other capabilities requiring a TTY line dicipline (including SLIP or
+other capabilities requiring a TTY line discipline (including SLIP or
PPP capability) to arbitrary data-generation processes. Each PTY has
a master side, named /dev/pty[p-za-e][0-9a-f], and a slave side, named
/dev/tty[p-za-e][0-9a-f]. The kernel arbitrates the use of PTYs by
git://git.onelab.eu / linux-2.6.git / blobdiff