mesg(1)                    (Essential Utilities)                    mesg(1)


   NAME
         mesg - permit or deny messages

   SYNOPSIS
         mesg [ -n ] [ -y ]

   DESCRIPTION
         mesg with argument -n forbids messages via 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).

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

































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