Sometimes a process might need to be stopped. Maybe the force quit doesn't work or maybe the process is a background process which isn't shown in the list. In these cases the command line can be used to terminate the process.
CAUTION: don't terminate processes unless you really know what you are doing!
First you need to find out the process ID. To do this use the "ps" or "top" command. See the other tips in this section for information about these. Use "ps -axc" and find the process ID of the required process (its the number in the first column). Now use the kill command to terminate the process, type "kill x" where x is the number of the process to kill.
Often the process you want to kill doesn't belong to you so you will get an error message "Operation not permitted". To kill the process anyway use the "sudo" utility. Type "sudo kill x", and enter an administrator's password when asked. Check the process no longer exists by using ps again. Some system processes automatically restart after being terminated, but any problems should have been cleared by the restart. Occasionally a process won't respond to a standard kill, so use "sudo kill -9 x" instead.
I usually write a blog post about once a week. The latest post can be viewed here: Avoid Microsoft: If you don't really like computers much you could make things a bit better for yourself. (posted 2024-12-04 at 12:05:50). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-11-18 Unity Through Division: Sometimes hard decisions need to be made to make genuine progress..
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