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:
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.
If your system does not include the
xlogo program, try using
We can verify that