11/3/71 MESG (I)
NAME mesg -- permit or deny messages
SYNOPSIS mesg [ n ][ y ]
DESCRIPTION mesg n forbids messages via write by revoking
non-user write permission on the user's type-
writer. mesg y reinstates permission. mesg with
no argument reverses the current permission. In
all cases the previous state is reported.
FILES /dev/tty?
SEE ALSO write
DIAGNOSTICS "?" if the standard input file is not a type-
writer
BUGS --
OWNER dmr, ken