MESG(1)							  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*
       /dev

SEE ALSO
       write(1)

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

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