removed redundant usage message (the command is adequately described in
[unix-history] / usr.bin / mkfifo / mkfifo.1
CommitLineData
15637ed4
RG
1.\" Copyright (c) 1990 The Regents of the University of California.
2.\" All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the Institute of Electrical and Electronics Engineers, Inc.
6.\"
7.\" Redistribution and use in source and binary forms, with or without
8.\" modification, are permitted provided that the following conditions
9.\" are met:
10.\" 1. Redistributions of source code must retain the above copyright
11.\" notice, this list of conditions and the following disclaimer.
12.\" 2. Redistributions in binary form must reproduce the above copyright
13.\" notice, this list of conditions and the following disclaimer in the
14.\" documentation and/or other materials provided with the distribution.
15.\" 3. All advertising materials mentioning features or use of this software
16.\" must display the following acknowledgement:
17.\" This product includes software developed by the University of
18.\" California, Berkeley and its contributors.
19.\" 4. Neither the name of the University nor the names of its contributors
20.\" may be used to endorse or promote products derived from this software
21.\" without specific prior written permission.
22.\"
23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33.\" SUCH DAMAGE.
34.\"
35.\" @(#)mkfifo.1 5.6 (Berkeley) 7/1/91
36.\"
37.Dd July 1, 1991
38.Dt MKFIFO 1
39.Os
40.Sh NAME
41.Nm mkfifo
42.Nd make fifos
43.Sh SYNOPSIS
44.Nm mkfifo
8882fb12 45.Op Fl m Ar mode
15637ed4
RG
46.Ar fifo_name ...
47.Sh DESCRIPTION
48.Nm Mkfifo
49creates the fifos requested, in the order specified,
50using mode
8882fb12
C
51.Li \&0666
52modified by the current
53.Xr umask 2 .
15637ed4 54.Pp
8882fb12 55The options are as follows:
15637ed4 56.Bl -tag -width Ds
8882fb12
C
57.It Fl m
58Set the file permission bits of newly-created directories to
59.Ar mode .
60The mode is specified as in
61.Xr chmod 1 .
62In symbolic mode strings, the
63.Dq +
64and
65.Dq -
66operators are interpreted relative to an assumed initial mode of
67.Dq a=rw
15637ed4
RG
68.El
69.Pp
70.Nm Mkfifo
71requires write permission in the parent directory.
72.Pp
73.Nm Mkfifo
74exits 0 if successful, and >0 if an error occurred.
75.Sh STANDARDS
8882fb12
C
76The
77.Nm Mkfifo
78command is expected to be
15637ed4 79.St -p1003.2
8882fb12 80compatible.
15637ed4
RG
81.Sh SEE ALSO
82.Xr mkdir 1 ,
83.Xr rm 1
84.Sh HISTORY
85The
8882fb12 86.Nm mkfifo
15637ed4
RG
87command is
88.Ud