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Annotation of src/usr.bin/mesg/mesg.1, Revision 1.14

1.14    ! schwarze    1: .\"    $OpenBSD: mesg.1,v 1.13 2009/02/08 17:15:10 jmc Exp $
1.1       deraadt     2: .\"    $NetBSD: mesg.1,v 1.3 1994/12/23 07:16:31 jtc Exp $
                      3: .\"
                      4: .\" Copyright (c) 1987, 1990, 1993
                      5: .\"    The Regents of the University of California.  All rights reserved.
                      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.
1.9       millert    15: .\" 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    16: .\"    may be used to endorse or promote products derived from this software
                     17: .\"    without specific prior written permission.
                     18: .\"
                     19: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     20: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     21: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     22: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     23: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     25: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     26: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     27: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29: .\" SUCH DAMAGE.
                     30: .\"
                     31: .\"    @(#)mesg.1      8.1 (Berkeley) 6/6/93
                     32: .\"
1.14    ! schwarze   33: .Dd $Mdocdate: February 8 2009 $
1.1       deraadt    34: .Dt MESG 1
                     35: .Os
                     36: .Sh NAME
                     37: .Nm mesg
                     38: .Nd display (do not display) messages from other users
                     39: .Sh SYNOPSIS
                     40: .Nm mesg
1.10      jmc        41: .Op Cm n | Cm y
1.1       deraadt    42: .Sh DESCRIPTION
                     43: The
                     44: .Nm mesg
1.4       flipk      45: utility is invoked by a user to control write access others
1.1       deraadt    46: have to the terminal device associated with the standard error
                     47: output.
                     48: Write access is allowed by default, and programs such as
                     49: .Xr talk 1
                     50: and
                     51: .Xr write 1
                     52: may display messages on the terminal.
                     53: .Pp
1.5       aaron      54: The options are as follows:
1.6       aaron      55: .Bl -tag -width Ds
1.1       deraadt    56: .It Cm n
                     57: Disallows messages.
                     58: .It Cm y
                     59: Permits messages to be displayed.
                     60: .El
                     61: .Pp
                     62: If no arguments are given,
                     63: .Nm mesg
                     64: displays the present message status to the standard error output.
                     65: .Pp
                     66: The
                     67: .Nm mesg
                     68: utility exits with one of the following values:
1.14    ! schwarze   69: .Pp
1.1       deraadt    70: .Bl -tag -width flag -compact -offset indent
                     71: .It Li "\ 0"
                     72: Messages are allowed.
                     73: .It Li "\ 1"
                     74: Messages are not allowed.
1.3       deraadt    75: .It Li >1
1.1       deraadt    76: An error has occurred.
                     77: .El
                     78: .Sh FILES
                     79: .Bl -tag -width /dev/[pt]ty[pq]? -compact
                     80: .It Pa /dev/[pt]ty[pq]?
                     81: .El
                     82: .Sh SEE ALSO
                     83: .Xr biff 1 ,
                     84: .Xr talk 1 ,
                     85: .Xr write 1
1.11      jmc        86: .Sh STANDARDS
                     87: The
                     88: .Nm
                     89: utility is compliant with the
1.13      jmc        90: .St -p1003.1-2008
1.11      jmc        91: specification.
1.1       deraadt    92: .Sh HISTORY
                     93: A
                     94: .Nm mesg
                     95: command appeared in
1.8       mickey     96: .At v2 .