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MESG(1) 						      General Commands Manual							   MESG(1)

NAME
       mesg - permit or deny messages

SYNOPSIS
       mesg [ n ] [ y ]

DESCRIPTION
       Mesg  with argument n forbids messages via write and talk(1) by revoking non-user write permission on the user's terminal.  Mesg with argu-
       ment y reinstates permission.  All by itself, mesg reports the current state without changing it.

FILES
       /dev/tty*

SEE ALSO
       write(1), talk(1).

DIAGNOSTICS
       Exit status is 0 if messages are receivable, 1 if not, 2 on error.

7th Edition							  April 29, 1985							   MESG(1)