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The Linux Command Line by William E. Shotts Jr.

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Controlling Processes

Now that we can see and monitor processes, let’s gain some control over them. For our experiments, we’re going to use a little program called xlogo as our guinea pig. The xlogo program is a sample program supplied with the X Window System (the underlying engine that makes the graphics on our display go), which simply displays a resizable window containing the X logo. First, we’ll get to know our test subject:

[me@linuxbox ˜]$ xlogo

After we enter the command, a small window containing the logo should appear somewhere on the screen. On some systems, xlogo may print a warning message, but it may be safely ignored.

Note

If your system does not include the xlogo program, try using gedit or kwrite instead.

We can verify that xlogo ...

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