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MESG(1)                     General Commands Manual                    MESG(1)



NAME
       mesg - permit or deny messages on the terminal

SYNOPSIS
       mesg [ n ] [ y ]

DESCRIPTION
       mesg  with  argument  n forbids messages with write(1) by revoking non-
       user write permission on the user's terminal.   mesg  with  argument  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.



                               9 September 1987                        MESG(1)