Name
nice
Synopsis
nice [+ n] command
Change the execution priority for command or, if none is given, change priority for the current shell. (See also nice in Chapter 3.) The priority range is -20 to 20, with a default of 4. The range seems backward: -20 gives the highest priority (fastest execution); 20 gives the lowest. Only a privileged user may specify a negative number.
- +n
Add n to the priority value (lower job priority).
- -n
Subtract n from the priority value (raise job priority). Privileged users only.
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