# 2.11BSD#431 - /usr/man/cat1/mesg.0

    MESG(1)             UNIX Programmer's 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 termi-
         nal.  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.

    Printed 11/26/99	 April 29, 1985                         1

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