If you ever need to terminate a unix process that is running, type the unix command,
ps  -eaf  |  more
in a xterm window.  Locate the PID number in the first column that corresponds to the process and type the command,
kill  -9  PID
in a xterm window, where PID is the process ID number corresponding to the process. To kill all your processes running on a machine, the command is, kill  -1  -1