NOTE: It's NOT a good idea to nice a . 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 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...
|39.9 Know When to Be "nice" to OTher Users...and When Not to||39.11 Changing a Job's Priority Under BSD UNIX|