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mirror of https://git.FreeBSD.org/src.git synced 2024-12-23 11:18:54 +00:00
freebsd/usr.bin/mkfifo/mkfifo.1
Joel Dahl da52b4caaf Remove the advertising clause from UCB copyrighted files in usr.bin. This
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with:	imp, rwatson
2010-12-11 08:32:16 +00:00

99 lines
2.8 KiB
Groff

.\" Copyright (c) 1990, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" the Institute of Electrical and Electronics Engineers, Inc.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" SUCH DAMAGE.
.\"
.\" @(#)mkfifo.1 8.2 (Berkeley) 1/5/94
.\" $FreeBSD$
.\"
.Dd January 5, 1994
.Dt MKFIFO 1
.Os
.Sh NAME
.Nm mkfifo
.Nd make fifos
.Sh SYNOPSIS
.Nm
.Op Fl m Ar mode
.Ar fifo_name ...
.Sh DESCRIPTION
The
.Nm
utility creates the fifos requested, in the order specified.
.Pp
The options are as follows:
.Bl -tag -width indent
.It Fl m
Set the file permission bits of the created fifos to the
specified mode, ignoring the
.Xr umask 2
of the calling process.
The
.Ar mode
argument takes any format that can be specified to the
.Xr chmod 1
command.
If a symbolic mode is specified, the op symbols
.Ql +
(plus) and
.Ql -
(hyphen) are interpreted relative to an assumed initial mode of
.Dq Li a=rw
(read and write permissions for all).
.El
.Pp
If the
.Fl m
option is not specified, fifos are created with mode
.Li 0666
modified by the
.Xr umask 2
of the calling process.
The
.Nm
utility requires write permission in the parent directory.
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr mkdir 1 ,
.Xr rm 1 ,
.Xr mkfifo 2 ,
.Xr mknod 2 ,
.Xr mknod 8
.Sh STANDARDS
The
.Nm
utility is expected to be
.St -p1003.2
compliant.
.Sh HISTORY
The
.Nm
command appeared in
.Bx 4.4 .