How Do You Stop a Linux Program from Running in the Background?

How do you kill a program in Linux?

xkill allows you to kill a window using a mouse. Simply execute xkill in a terminal, which should change the mouse cursor to an x or a tiny skull icon. Click x on the window you want to close.

How do I find out what background programs are running on Linux?

Checking the memory usage of a running job:

1. First log onto the node your job is running on. …
2. You can use the Linux commands ps -x to find the Linux process ID <PID> of your job.
3. Then use the Linux pmap command: pmap <PID>
4. The last line of the output gives the total memory usage of the running process.