Knowledgebase

First, you need to find its pid number by typing ps x. You will see a display similar to the following:
PID TTY STAT TIME COMMAND
5127 ? S 2:55 ./psybnc
28033 pts/0 S 0:00 -bash
28764 pts/0 R 0:00 ps x
Once you have the pid number, you need to type kill -9 . In the above case, you would use kill -9 5127