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I've switched from GNU Screen to tmux. They're both similar, except that tmux is still maintained.

GNU Screen has a C-a _ ("silence") command. This command makes GNU Screen monitor the current window and alert me when there's been 30 seconds of inactivity. This is quite useful: for example, GNU Screen can watch a long apt-get dist-upgrade process and alert me when dpkg has a question for me.

Does tmux have an equivalent command? I tried searching the Web but didn't find an answer.

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1 Answer 1

Reset to default
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The manpage reveals the answer. You will need tmux 1.4 (released Dec. 2010) or better.

Press Ctrl+B then enter the command:

:setw monitor-silence 30

To identify all quiet windows in the session, apply the setting to all windows:

:setw -g monitor-silence 30

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  • 6
    To stop monitoring for silence: :setw monitor-silence 0
    – Matthew
    Dec 7, 2015 at 19:43
  • While the effect is the usually same, the typical way to unset an option is -u, e.g. :setw -u monitor-silence. In this way it won't override any change in globally configured monitor-silence.
    – Wade
    Mar 9, 2021 at 18:03

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