Add a Force Quit Applet to Ubuntu’s Unity Launcher

“Long-time users of Ubuntu might recall that a handy ‘Force
Quit’ applet was once available to add to the desktop panel, which
made ‘closing’ misbehaving applications a cinch.

With the move to Unity and GNOME 3 these old school ‘GNOME
Applets’ were retired and force-quitting applications required a
different approach (ALT+F2 > xkill > click on Window).

Thankfully for the lazy amongst us reader Josh Leverette has put
together a script that adds a ‘Force Close’ button to the Unity
Launcher. With one click you can once again kill crashy,
CPU-hogging applications without having to reboot or revert to the
Terminal.

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