Comments on How to kill processes on the Linux Desktop with xkill
Linux is renown for its stability, rigidness and superior error-free functionality, but no matter how advanced and bug-free a system may be, it is inevitable that things will brake and windows will freeze/hang at some point. This is thankfully not disastrous at all, as Linux users can utilize smart tools and commands that will allow them to get rid of those nasty “not responding” applications instantly!
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Nice info. In addition to the ways listed, if you are using KDE you can hit Control-Alt-Escape to kill an errant GUI program. It turns the cursor into a skull and cross-bones and you then left-click on the program to kill.
I wasn't aware of it. Xkill is included with other things in "X11 Utilities" in the Ubuntu repos, and installed by default in Mint XFCE, for example. The "top" command could come in handy as well.
Normal top also allows you to kill a process on the list.
This article is a bit outdated. The command is now included in the x11-utils package, which is installed by default on Ubuntu 16.04.
sudo apt install -y x11-utils