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Time and Performance
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39.10 A nice Gotcha

NOTE: It's NOT a good idea to nice a foreground job ( 12.1 ) . If the system gets busy, your terminal could "freeze" waiting to get enough CPU time to do something. You may not even be able to kill ( 38.9 ) a nice 'd job on a very busy system because the CPU may never give the process enough CPU time to recognize the signal waiting for it! And, of course, don't nice an interactive program like a text editor unless you like to wait... :-)

- JP


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