Appendix B. Peripheral Device Files
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## Appendix B. Peripheral Device Files

This appendix contains a list of peripheral device files and directories that reside in the `/dev` directory. For a complete listing of IRIX device files and directories, refer to IRIX Admin: System Configuration and Operation .

`mt/` |  | Directory containing block device files for tapes; see `tps``(7M)` for SCSI 1/4-inch tape drive device names.
`rmt/` |  | Directory containing raw device files for tapes; see `tps``(7M)` for SCSI 1/4-inch tape drive device names.
`tape` |  | Generic tape device; see `mtio``(7)` .
`nrtape` |  | Generic no-rewind tape device; 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)` .
`cent` |  | Parallel printer device.
`tek` |  | Tektronics color graphics printer device.
`vers` |  | Versatek color graphics printer device.
`plp` |  | Parallel line printer interface; see `plp``(7)` .
`ptc` |  | Clonable pseudo-tty controller; see `clone``(7)` .
`grconc` |  | Master pseudo-tty for the graphics console; see `pty``(7M)` .
`grcons` |  | Slave pseudo-tty for the graphics console; see `pty``(7M)` .
`gm` |  | Logical console device for the Graphics Manager on the IRIS GT and GTX model systems. Messages from the software running on the 68020 on the GM board 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 cannot actually be 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``(7M)` .

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