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\" @(#)mesg.1 8.1 (Berkeley) 6/6/93
\"
Dd September 1, 2019
Dt MESG 1
Os
Sh NAME
Nm mesg
Nd display (do not display) messages from other users
Sh SYNOPSIS
Nm
Op Cm n | Cm y
Sh DESCRIPTION
The
Nm
utility is invoked by a user to control write access others
have to the terminal device associated with the standard error
output.
Write access is allowed by default, and programs such as
Xr talk 1
and
Xr write 1
may display messages on the terminal.
Pp
Options available:
Bl -tag -width flag
It Cm n
Disallows messages.
It Cm y
Permits messages to be displayed.
El
Pp
If no arguments are given,
Nm
displays the present message status to the standard error output.
Pp
The
Nm
utility exits with one of the following values:
Pp
Bl -tag -width flag -compact -offset indent
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 biff 1 ,
Xr talk 1 ,
Xr write 1
Sh HISTORY
A
Nm
command appeared in
At v1 .
