This list is usually very long, and it scrolls by quickly. View a File . Any of your processes can be stopped with the kill command. Where pid is the number of the process you want to stop. Type ps again to verify that the process has been killed.
Some processes require a stronger form of the kill command.
When the kill command alone does not terminate a process, try using the kill command with the -9 option. In the background, however, you can run several processes without waiting for them to complete. The background is a very useful place to run a process that takes a long time to finish. Just enter fg to restart such a suspended process.