.pa 1 .he 'MESG (I)'3/15/72'MESG (I)' .ti 0 NAME mesg -- permit or deny messages .sp .ti 0 SYNOPSIS mesg____ [ n_ ][ y_ ] .sp .ti 0 DESCRIPTION mesg____ n_ forbids messages via write_____ by revoking non-user write permission on the user's typewriter. mesg____ y_ reinstates permission. mesg____ with no argument reverses the current permission. In all cases the previous state is reported. .sp .ti 0 FILES /dev/tty? .sp .ti 0 SEE ALSO write(I) .sp .ti 0 DIAGNOSTICS "?" if the standard input file is not a typewriter .sp .ti 0 BUGS --