How to kill htop if I can't use F10?

Solution 1:

TL;DR The standard way to quit htop is F10 or q.

Therefore if you can't use F10, use q (lowercase).

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Solution 2:

You always can have the interupt signal keys Ctrl+c.

Basically Ctrl+c sends the SIGINT (interrupt) signal, ; by default, this causes the process to terminate.

Just like top, htop can be quit by pressing Q.

SIGINT

The SIGINT signal is sent to a process by its controlling terminal when a user wishes to interrupt the process. This is typically initiated by pressing Control-C, but on some systems, the "delete" character or "break" key can be used

Solution 3:

If you are using gnome-terminal, yes, you can disable that the F10 key opens the menu:

Open gnome-terminal's menu with F10 or with the mouse and go to Preferences. In the General section and disable the Enable the menu accelerator key (F10 by default) option.

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Solution 4:

All sorts of other options apart from q.

Open another terminal and kill it from there.
Kill it from the System Monitor task list.
Close the terminal window.

These assume a desktop environment.

Also for servers...

Ctrl-Alt-F1 (or F6/F7) and log in again to kill.
Connect again (Telnet/SSH) and kill.

And finally - it is open source, patch it.

Solution 5:

If you're interested in making F10 (and other shortucts) available in general to terminal applications and you're using XFCE terminal, go to Edit -> Preferences -> Advanced -> Shortcuts and check the appropriate boxes to disable the keys. I have them all checked so that Emacs (m-f) and htop (F10) will work.