V4/man/man8/mknod.8

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.th MKNOD VIII 10/31/73
.sh NAME
mknod \*- build special file
.sh SYNOPSIS
.bd /etc/mknod
name
[
.bd c
] [
.bd b
]
major
minor
.sh DESCRIPTION
.it Mknod
makes a directory entry and corresponding i-node
for a special file.
The first argument is the
.it name
of the entry.
The second is
.bd b
if the special file is block-type (disks, tape) or
.bd c
if it is character-type (other devices).
The last two arguments are
numbers specifying the
.it major
device type
and the
.it minor
device (e.g. unit, drive, or line number).
.s3
The assignment of major device numbers is specific to each system.
For reference, here are the numbers for the MH 2C-644 machine.
Do not believe them too much.
.s3
Block devices:
.lp +8 4
0	RF fixed-head disk
.lp +8 4
1	RK moving-head disk
.lp +8 4
2	TC DECtape
.lp +8 4
3	TM magtape
.lp +8 4
4	RP moving-head disk
.lp +8 4
5	Vermont Research moving-head disk
.i0
.s3
Character devices:
.lp +8 4
0	KL on-line console
.lp +8 4
1	DC communications lines
.lp +8 4
2	PC paper tape
.lp +8 4
3	DP synchronous interface
.lp +8 4
4	DN ACU interface
.lp +8 4
5	core memory
.lp +8 4
6	VT scope (via 11/20)
.lp +8 4
7	DA voice response unit
.lp +8 4
8	CT phototypesetter
.lp +8 4
9	VS voice synthesizer
.lp +8 4
10	TIU Spider interface
.i0
.sh "SEE ALSO"
mknod (II)
.sh BUGS