NAME

mesg − allow or disallow messages

SYNTAX

mesg [n] [y]

DESCRIPTION

The mesg command with argument n forbids messages via write and talk by revoking non-user write permission on the user’s terminal. The mesg command with argument y reinstates permission.  All by itself, mesg reports the current state without changing it.

DIAGNOSTICS

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

FILES

/dev/tty*

SEE ALSO

talk(1), write(1)