MESG(I) 3/15/72 MESG(I) NAME mesg - permit or deny messages SYNOPSIS mesg [ n ] [ y ] DESCRIPTION Mesg with argument n forbids messages via write by revoking non-user write permission on the user's typewriter. Mesg with argument y reinstates permission. All by itself, mesg reverses the current permission. In all cases the previous state is reported. FILES /dev/tty? SEE ALSO write (I) DIAGNOSTICS `?' if the standard input file is not a typewriter BUGS