IRIX Advanced Site and Server Administration Guide

Appendix B
IRIX Device Files

This appendix contains a list of device files and directories that reside in the /dev directory.

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

Centronics® 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 1­12.

ttyf[1-12]

Serial ports 1­12 for devices that understand hardware flow control.

ttym[1-12]

Serial ports 1­12 for modems.

ttyq*

Pseudo tty devices; see pty(7).

zero

Zero device (infinite zeros on reads); see zero(7).

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