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All right, it's time
to do a lab.

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In this lab, I want you to practice your skills a
little bit. It's a little bit bigger as the other ones.

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From a root shell, start three processes dd
if is dev 0 and of is null as

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a background job, and then use the appropriate
command to show that they are running as expected

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and change process priority so that one of
these three jobs. Get double the amount of CPU

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resources and monitor processes are running as
expected and then terminate all three of them.