config root man

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.\"     @(#)mkfifo.1	8.2 (Berkeley) 1/5/94
.\" $FreeBSD: release/9.1.0/usr.bin/mkfifo/mkfifo.1 216370 2010-12-11 08:32:16Z joel $
.\"
.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 .