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 revok-
ing 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.