NAME

mesg − permit or deny messages

SYNOPSIS

mesg [ n ] [ y ]

DESCRIPTION

mesg with argument n forbids messages via write(1) 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 ALSO

write(1), talk(1)

DIAGNOSTICS

Exit status is:

0if messages are receivable;
1if messages are not receivable;
2on error.

NEWS-OSRelease 4.2.1R