. Also found in /proc.A number of devices in Interix act as virtual devices; they do not have an implementation in the file system. Examples are nul, serial ports, pseudo terminals, and tape drives. The command ls /dev lists the contents of the virtual device space.
The following table lists and describes these virtual devices:
| Virtual device | Description |
|---|---|
| /dev/full | A "full" device. Typically used for testing programs. You can always read data from it; write requests fail due to lack of space. |
| /dev/ntape[0–9] | Tape drives opened in non-rewind mode. |
| /dev/null | The null device. |
| /dev/proc | The process list. Used by ps(1). Also found in /proc. |
| /dev/ptmx | Master pseudo terminal. System V style. |
| /dev/pty[p–z|A–E][0–9|a–f] | Master pseudo terminal. Berkeley style. |
| /dev/random | Random number generator. |
| /dev/tape[0–9] | Tape drives opened in rewind mode. |
| /dev/tty[p–z|A–E][0–9|a–f] | Subordinate (slave) pseudo terminals. |
| /dev/tty[0|1][0–9|a–f] | Serial ports. |
| /dev/tty | The current terminal. |
| /dev/ttyn[00–63] | Console terminal windows. |
| /dev/urandom | Random number generator. |
| /dev/zero | A "full" device. Full of zero bytes. |
The pseudo terminals are used by different utilities, including
xterm(1) and
telnet(1).
You can have up to 256 pseudo-terminal connections in Interix. A
pseudo terminal that is being used by xterm is not available
for use in a telnet session.