NAME

mesg  −  permit or deny messages

SYNOPSIS

mesg [ n ] [ y ]

DESCRIPTION

Mesg with argument n forbids messages via write by revoking non-user write permission on the user’s typewriter.  Mesg with argument y reinstates permission.  All by itself, mesg reverses the current permission.  In all cases the previous state is reported. 

FILES

/dev/tty? 

SEE ALSO

write (I)

DIAGNOSTICS

‘?’ if the standard input file is not a typewriter

BUGS