NetBSD/usr.bin/mkfifo/mkfifo.1

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.\" $NetBSD: mkfifo.1,v 1.13 2017/07/04 07:03:32 wiz Exp $
.\"
.\" 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.
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.\" @(#)mkfifo.1 8.2 (Berkeley) 1/5/94
.\"
.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
.Nm
creates the fifos requested, in the order specified,
using mode
.Li \&0666
modified by the current
.Xr umask 2 .
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl m
Set the file permission bits of newly-created fifos to
.Ar mode .
The mode is specified as in
.Xr chmod 1 .
In symbolic mode strings, the
.Dq +
and
.Dq -
operators are interpreted relative to an assumed initial mode of
.Dq a=rw
.El
.Pp
.Nm
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 8
.Sh STANDARDS
The
.Nm
utility is expected to be
.St -p1003.2-92
compliant.
.Sh HISTORY
.Nm
command appeared in
.Bx 4.4 .