mesg(1)                  USER COMMANDS                    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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