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Annotation of src/usr.bin/mesg/mesg.1, Revision 1.2

1.2     ! deraadt     1: .\"    $OpenBSD: mesg.1,v 1.3 1994/12/23 07:16:31 jtc 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
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                     10: .\" 1. Redistributions of source code must retain the above copyright
                     11: .\"    notice, this list of conditions and the following disclaimer.
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                     13: .\"    notice, this list of conditions and the following disclaimer in the
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                     17: .\"    This product includes software developed by the University of
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                     19: .\" 4. Neither the name of the University nor the names of its contributors
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                     23: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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                     34: .\"
                     35: .\"    @(#)mesg.1      8.1 (Berkeley) 6/6/93
                     36: .\"
                     37: .Dd June 6, 1993
                     38: .Dt MESG 1
                     39: .Os
                     40: .Sh NAME
                     41: .Nm mesg
                     42: .Nd display (do not display) messages from other users
                     43: .Sh SYNOPSIS
                     44: .Nm mesg
                     45: .Op Cm n | Cm y
                     46: .Sh DESCRIPTION
                     47: The
                     48: .Nm mesg
                     49: utility is invoked by a users to control write access others
                     50: have to the terminal device associated with the standard error
                     51: output.
                     52: Write access is allowed by default, and programs such as
                     53: .Xr talk 1
                     54: and
                     55: .Xr write 1
                     56: may display messages on the terminal.
                     57: .Pp
                     58: Options available:
                     59: .Bl -tag -width flag
                     60: .It Cm n
                     61: Disallows messages.
                     62: .It Cm y
                     63: Permits messages to be displayed.
                     64: .El
                     65: .Pp
                     66: If no arguments are given,
                     67: .Nm mesg
                     68: displays the present message status to the standard error output.
                     69: .Pp
                     70: The
                     71: .Nm mesg
                     72: utility exits with one of the following values:
                     73: .Bl -tag -width flag -compact -offset indent
                     74: .Pp
                     75: .It Li "\ 0"
                     76: Messages are allowed.
                     77: .It Li "\ 1"
                     78: Messages are not allowed.
                     79: .It Li "\>1"
                     80: An error has occurred.
                     81: .El
                     82: .Sh FILES
                     83: .Bl -tag -width /dev/[pt]ty[pq]? -compact
                     84: .It Pa /dev/[pt]ty[pq]?
                     85: .El
                     86: .Sh SEE ALSO
                     87: .Xr biff 1 ,
                     88: .Xr talk 1 ,
                     89: .Xr write 1
                     90: .Sh HISTORY
                     91: A
                     92: .Nm mesg
                     93: command appeared in
                     94: .At v6 .