kill pid ubuntu

Supposing that ps -u whoami returned something like

  PID TTY          TIME CMD
 4333 pts/1    00:00:00 fish
 4335 ?        00:00:00 fishd
 4816 ?        00:00:00 intellij
 4868 ?        00:50:42 java
 4939 ?        00:00:19 fsnotifier64
 7667 ?        02:49:08 firefox
 7698 ?        00:00:00 unity-webapps-s

And you wanted to kill the firefox process by its process id, then you'd do:

kill -1 7667

Then you'd re-run the same ps command and check if the process was still running. If it is still running, then do a

kill -2 7667

working your way up to -9.

To kill all processes started by your account, enter kill <level> -1. Same as before: work your way up to -9.

If you know the name of the process you can simply go killall <processname>, where the is what you are trying to kill. For example: killall fish (fish, in this sense, is the Friendly Interactive SHell).

Documentation for killall can be found here: http://manpages.ubuntu.com/manpages/hardy/man1/killall.1.html

ato 

kill program

ps -ef|grep be

setelah itu nama program yg mau dihapus dengan cek pid nya diliet

kill -9 123000

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