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Hour 20. UNIX Command Line Tour > Process Management

Process Management

As you use your Mac OS X computer, you create dozens of processes and support processes that you probably never realized existed. In Hour 22, “System Utilities and Monitors,” you learn about some of the GUI tools that enable you to manage these processes in a point-and-click manner. In this section, however, you see the commands that can provide you with the raw data of what is happening on your system.

Viewing Processes

To view the active processes on your computer, you can use one of two commands. The first command, ps, creates a process listing of whatever’s running in the foreground (or, modified, everything that’s running). The second command, top, shows a list of the applications that are using up the most resources on your computer.


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