mesg man page on OpenBSD

mesg man page on OpenBSD

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MESG(1)			   OpenBSD Reference 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'')
     specification.

HISTORY
     A mesg command appeared in Version 2 AT&T UNIX.

OpenBSD 4.9		       September 3, 2010		   OpenBSD 4.9

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