


      NICE(2)                     (UNIX 5.0)                    NICE(2)



      NAME
           nice - change priority of a process

      SYNTAX
           int nice (incr)
           int incr;

      DESCRIPTION
           Nice adds the incr value to the "nice number" of the calling
           process.  A low "nice number" means high process priority. A
           high nice number means a lower priority.

           Nice values range from 0 to 79, inclusive.  A request to set
           the value beyond a limit results in the value being set to
           the corresponding limit.

           Only the super-user can add a negative value and thereby
           increase priority.  [EPERM]

      RETURN VALUE
           Upon successful completion, nice returns the new nice
           process priority.  Otherwise, a value of -1 is returned and
           errno is set to indicate the error.

      SEE ALSO
           nice(1), exec(2).





























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