1.\" Copyright (c) 1980, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)nice.3 8.1 (Berkeley) 06/04/93 7.\" 8.Dd 9.Dt NICE 3 10.Os BSD 4 11.Sh NAME 12.Nm nice 13.Nd set program scheduling priority 14.Sh SYNOPSIS 15.Fn nice "int incr" 16.Sh DESCRIPTION 17.Bf -symbolic 18This interface is obsoleted by setpriority(2). 19.Ef 20.Pp 21The 22.Fn nice 23function obtains the scheduling priority of the process 24from the system and sets it to the priority value specified in 25.Fa incr . 26The priority is a value in the range -20 to 20. 27The default priority is 0; lower priorities cause more favorable scheduling. 28Only the super-user may lower priorities. 29.Pp 30Children inherit the priority of their parent processes via 31.Xr fork 2 . 32.Sh SEE ALSO 33.Xr nice 1 , 34.Xr setpriority 2 , 35.Xr fork 2 , 36.Xr renice 8 37.Sh HISTORY 38A 39.Fn nice 40syscall appeared in 41.At v6 . 42