One of the most jarring moments when moving from a Windows-based environment to using the command line is the loss of easy multi-tasking. Even on Linux, if you use an X Window system, you can use the mouse to just click on a new program and open it. On the command line, however, you???re pretty much stuck with what???s on your screen at any given time. In this tutorial, we will show you how to multi-task in Linux with the command line.