tldr/pages/common/mesg.md

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mesg

Check or set a terminal's ability to receive messages from other users, usually from the write command. See also write, talk. More information: https://manned.org/mesg.1p.

  • Check terminal's openness to write messages:

mesg

  • Disallow receiving messages from the write command:

mesg n

  • Allow receiving messages from the write command:

mesg y