mesg — stdin stdout - file -- opt --help --version
mesg [y|n]
The mesg program controls
whether talk and write connections can reach your terminal.
mesg y permits them, mesg n denies them, and mesg prints the current status (y or n). The default is y. mesg
has no effect on modern instant messaging programs like pidgin.
$ mesg is y $ mesg n $ mesg is n
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