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Command: mesg | Section: 1 | Source: OpenBSD | File: mesg.1
MESG(1) FreeBSD General Commands Manual MESG(1)
NAME
mesg - display (do not display) messages from other users
SYNOPSIS
mesg [n | y]
DESCRIPTION
The mesg 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 talk(1) and write(1)
may display messages on the terminal.
The options are as follows:
n Disallows messages.
y Permits messages to be displayed.
If no arguments are given, mesg displays the present message status to
the standard error output.
FILES
/dev/[pt]ty[pq]?
EXIT STATUS
The mesg utility exits with one of the following values:
0 Messages are allowed.
1 Messages are not allowed.
>1 An error has occurred.
SEE ALSO
biff(1), talk(1), write(1)
STANDARDS
The mesg utility is compliant with the IEEE Std 1003.1-2008 ("POSIX.1")
specification.
HISTORY
A mesg command appeared in Version 1 AT&T UNIX.
FreeBSD 14.1-RELEASE-p8 September 6, 2019 FreeBSD 14.1-RELEASE-p8