MESG(1) Linux User's Manual MESG(1)
mesg - control write access to your terminal
Mesg controls the access to your terminal by others. It's typically
used to allow or disallow other users to write to your terminal (see
y Allow write access to your terminal.
n Disallow write access to your terminal.
If no option is given, mesg prints out the current access state of your
Mesg assumes that it's standard input is connected to your terminal.
That also means that if you are logged in multiple times, you can
get/set the mesg status of other sessions by using redirection. For
example "mesg n < /dev/pts/46".
Miquel van Smoorenburg (email@example.com)
talk(1), write(1), wall(1)
Feb 26, 2001 MESG(1)