NetBSD/usr.bin/mesg/mesg.1
1993-08-01 07:22:47 +00:00

96 lines
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.\" from: @(#)mesg.1 6.7 (Berkeley) 7/26/91
.\" $Id: mesg.1,v 1.2 1993/08/01 07:30:48 mycroft Exp $
.\"
.Dd July 26, 1991
.Dt MESG 1
.Os
.Sh NAME
.Nm mesg
.Nd Display (do not display) messages from other users
.Sh SYNOPSIS
.Nm mesg
.Op Cm n | Cm y
.Sh DESCRIPTION
The
.Nm mesg
utility is invoked by a user to control write access others have to
her or his terminal. By default, write access is allowed, and
programs such as
.Xr talk 1 ,
.Xr write 1
and
.Xr echo 1
may display messages on the target user's terminal.
.Pp
Options available:
.Bl -tag -width flag
.It Cm n
Disallows messages and informs the
sender
that `Your party is refusing messages'.
.It Cm y
Allows messages to be displayed.
.El
.Pp
If no arguments are given,
.Nm mesg
displays the present message status.
.Pp
The
.Nm mesg
utility exits with one of the following values:
.Bl -tag -width flag -compact -offset indent
.Pp
.It Li "\ 0"
Messages are allowed.
.It Li "\ 1"
Messages are not allowed.
.It Li "\-1"
An error has occurred.
.El
.Sh FILES
.Bl -tag -width /dev/[pt]ty[pq]? -compact
.It Pa /dev/[pt]ty[pq]?
.El
.Sh SEE ALSO
.Xr write 1 ,
.Xr talk 1 ,
.Xr echo 1 ,
.Xr biff 1
.Sh HISTORY
A
.Nm mesg
command appeared in
.At v6 .