There are several ways to kill a process in Ubuntu/Linux, discover the quickest way to force kill unresponsive program in 3 quick actions. This applies to any unresponsive application or process as well. How to force kill unresponsive program? 1. Hit Ctrl + Alt + T to open up your Terminal OR Alt + F2 to run a command 2. Type xkill. Your mouse cursor will turn into a small …read more