MESG(1)MESG(1)NAMEmesg - permit or deny messages
SYNOPSISmesg [ n ] [ y ]
DESCRIPTION
Mesg with argument n forbids messages via write and talk(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.
FILES
/dev/tty*
SEE ALSOwrite(1), talk(1)DIAGNOSTICS
Exit status is 0 if messages are receivable, 1 if not, 2 on error.
7th Edition April 29, 1985 MESG(1)