Mesg

mesg
Original author(s)Dennis Ritchie,
Ken Thompson
Developer(s)AT&T Bell Laboratories
Initial releaseNovember 3, 1971; 52 years ago (1971-11-03)
Operating systemUnix and Unix-like
TypeCommand

mesg is a Unix command that sets or reports the permission other users have to write to the current user's terminal using the talk and write commands.