MESG(1) User Commands MESG(1)

mesg - permit or deny messages

mesg [[-](y|n)]

Mesg with argument n forbids messages via write(1) by revoking 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.

/dev/tty*
/dev

write(1)

Exit status is 0 if messages are receivable, 1 if not, 2 on error.

7/17/05 Heirloom Toolchest