xref: /freebsd/usr.bin/mesg/mesg.1 (revision 6990ffd8a95caaba6858ad44ff1b3157d1efba8f)
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32.\"	@(#)mesg.1	8.1 (Berkeley) 6/6/93
33.\" $FreeBSD$
34.\"
35.Dd June 6, 1993
36.Dt MESG 1
37.Os
38.Sh NAME
39.Nm mesg
40.Nd display (do not display) messages from other users
41.Sh SYNOPSIS
42.Nm
43.Op Cm n | Cm y
44.Sh DESCRIPTION
45The
46.Nm
47utility is invoked by a users to control write access others
48have to the terminal device associated with the standard error
49output.
50Write access is allowed by default, and programs such as
51.Xr talk 1
52and
53.Xr write 1
54may display messages on the terminal.
55.Pp
56Options available:
57.Bl -tag -width flag
58.It Cm n
59Disallows messages.
60.It Cm y
61Permits messages to be displayed.
62.El
63.Pp
64If no arguments are given,
65.Nm
66displays the present message status to the standard error output.
67.Pp
68The
69.Nm
70utility exits with one of the following values:
71.Bl -tag -width flag -compact -offset indent
72.Pp
73.It Li "\ 0"
74Messages are allowed.
75.It Li "\ 1"
76Messages are not allowed.
77.It Li ">1"
78An error has occurred.
79.El
80.Sh FILES
81.Bl -tag -width /dev/[pt]ty[pq]? -compact
82.It Pa /dev/[pt]ty[pq]?
83.El
84.Sh SEE ALSO
85.Xr biff 1 ,
86.Xr talk 1 ,
87.Xr write 1
88.Sh HISTORY
89A
90.Nm
91command appeared in
92.At v1 .
93