# 2.11BSD#431 - /usr/man/cat3/nice.0

    NICE(3C)	    UNIX Programmer's Manual		 NICE(3C)

    NAME
         nice - set program priority

    SYNOPSIS
         nice(incr)

    DESCRIPTION
         This interface is obsoleted by setpriority(2).

         The scheduling priority of the process is augmented by incr.
         Positive priorities get less service than normal.	Priority
         10 is recommended to users who wish to execute long-running
         programs without flak from the administration.

         Negative increments are ignored except on behalf of the
         super-user.  The priority is limited to the range -20 (most
         urgent) to 20 (least).

         The priority of a process is passed to a child process by
         fork(2).  For a privileged process to return to normal
         priority from an unknown state, nice should be called suc-
         cessively with arguments -40 (goes to priority -20 because
         of truncation), 20 (to get to 0), then 0 (to maintain compa-
         tibility with previous versions of this call).

    SEE ALSO
         nice(1), setpriority(2), fork(2), renice(8)

    Printed 11/26/99	   May 9, 1985				1

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