There are times when processes may be running in the background. To view the processes that are running in the background, use the following command:

jobs

By default, this is blank as you might not have jobs running in the background.

You might want to start a process directly in background. To do so, suffix the ampersand (&) symbol after the process name when starting it. You might have observed this in the earlier sections of this chapter. Let's start the sleep process in the background now. The command to do so is as follows:

sleep 1000 &

Now, let's check whether the process was started successfully and is running in the background using the jobs command:

Here, we first checked for any processes running in the background using the jobs command. Initially, it showed nothing, which means no jobs are running in the background. Next, we start the sleep process...