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IRIX Device Special Files
This section contains a listing of many of the most important device files and directories that reside in the /dev directory structure.
- dsk/
- Directory containing block device files for disks; see ips(7), dks(7), and xyl(7) for disk partition device names.
- rdsk/
- Directory containing raw (character) device files for disks; see ips(7), dks(7), and xyl(7) for disk partition device names.
- root
- Generic root partition (block device).
- rroot
- Generic root partition (raw device).
- usr
- Generic usr partition (block device).
- rusr
- Generic usr partition (raw device).
- swap
- Generic swap partition (block device).
- rswap
- Generic swap partition (raw device).
- vh
- Generic root volume header (block device).
- rvh
- Generic root volume header (raw device).
- mt/
- directory containing block device files for tapes; see ts(7) for ISI quarter-inch tape drive device names; see tps(7) for SCSI quarter-inch tape drive device names; see xmt(7) for Xylogics half-inch tape drive names.
- rmt/
- directory containing raw device files for tapes; see ts(7) for ISI quarter-inch tape drive device names; see tps(7) for SCSI quarter-inch tape drive device names; see xmt(7) for Xylogics half-inch tape drive names.
- tape
- Generic tape device; bytes are swapped in order to be backward-compatible with the IRIS Series 2000 and 3000 workstations; see mtio(7).
- nrtape
- Generic no-rewind tape device; bytes are swapped in order to be backward-compatible with the IRIS Series 2000 and 3000 workstations; see mtio(7).
- tapens
- Generic tape device; bytes are not swapped; see mtio(7).
- nrtapens
- Generic no-rewind tape device; bytes are not swapped; see mtio(7).
- mem
- Memory; see mem(7).
- mmem
- Mappable memory; see mmem(7).
- kmem
- Kernel memory; see kmem(7).
- null
- Null device (zero length on input, data sink on output); see null(7).
- SA/
- Block devices used by system administration tools; see sysadm(1M) and sa(7).
- rSA/
- Raw devices used by system administration tools; see sysadm(1M) and sa(7).
- audio
- Audio interface.
- dn_ll
- File used to create 4DDN logical links; see dn_ll(7).
- dn_netman
- File used by 4DDN network management software; see dn_netman(7).
- cent
- CentronicsĀ® color graphics printer device.
- tek
- Tektronics color graphics printer device.
- vers
- Versatek color graphics printer device.
- vp0
- Hard link to vers.
- gpib*
- GPIB (IEEE-488) device; see gpib(7).
- gse
- Spectragraphics coax device; see gse(7).
- plp
- Parallel line printer interface; see plp(7).
- prf
- File used by operating system profiler; see prf(7).
- t3270
- Raw device file for IBM 3270(TM) Cluster Controller; see t3270(7).
- hl/
- Directory containing files used by IRIS GTX series machines hardware spinlock driver; see usnewlock(3P).
- log
- Named pipe that is read by the system logging daemon; see syslogd(1M).
- ptc
- Clonable pseudo-tty controller; see clone(7), ptc(7).
- grconc
- Master pseudo-teletype for the graphics console; see pty(7).
- grcons
- Slave pseudo-teletype for the graphics console; see pty(7).
- gm
- Logical console device for the Graphics Manager on the IRIS GT and GTX model machines. Messages from the software running on the 68020 on the GM board will appear as output on this device.
- grin/
- Directory containing the individual logical graphics input devices.
- console
- System console device.
- syscon
- Hard link to /dev/console.
- systty
- Hard link to /dev/console.
- queue
- Graphics queue device. Graphics programs call ''select'' on this device in order to be notified when there is input in their graphics queue. This device can't be actually read or written.
- dials
- Device for serial port connected to dial and button box.
- keybd
- Device for serial port connected to keyboard.
- mouse
- Device for serial port connected to mouse.
- tablet
- Device for serial port connected to digitizing tablet.
- ttyd[1-12]
- Serial ports 1-12.
- ttyf[1-12]
- Serial ports 1-12 for devices that understand hardware flow control.
- ttym[1-12]
- Serial ports 1-12 for modems.
- ttyq*
- Pseudo tty devices; see pty(7).
- zero
- Zero device (infinite zeros on reads); see zero(7).
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