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Revision 1.15, Fri Jul 27 13:27:46 2007 UTC (16 years, 10 months ago) by jmc
Branch: MAIN
CVS Tags: OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2
Changes since 1.14: +1 -2 lines

getpriority() and setpriority() are documented in the same page, so only
list one of them as a reference in SEE ALSO;

.\"	$OpenBSD: nice.1,v 1.15 2007/07/27 13:27:46 jmc Exp $
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.\"	@(#)nice.1	8.1 (Berkeley) 6/6/93
.\"
.Dd $Mdocdate: July 27 2007 $
.Dt NICE 1
.Os
.Sh NAME
.Nm nice
.Nd execute a utility with an altered scheduling priority
.Sh SYNOPSIS
.Nm nice
.Op Fl n Ar increment
.Ar utility
.Op Ar argument ...
.Sh DESCRIPTION
.Nm
runs
.Ar utility
at an altered scheduling priority.
If an
.Ar increment
is given, it is used; otherwise
an increment of 10 is assumed.
The superuser can run utilities with priorities higher than normal by using
a negative
.Ar increment .
The priority can be adjusted over a
range of \-20 (the highest) to 20 (the lowest).
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl n Ar increment
A positive or negative decimal integer used to modify the system scheduling
priority of
.Ar utility .
.El
.Pp
The
.Nm
utility shall exit with one of the following values:
.Pp
.Bl -tag -width indent -offset indent -compact
.It 1\-125
An error occurred.
.It 126
The
.Ar utility
was found but could not be invoked.
.It 127
The
.Ar utility
could not be found.
.El
.Pp
Otherwise, the exit status of
.Nm
shall be that of
.Ar utility .
.Sh SEE ALSO
.Xr csh 1 ,
.Xr getpriority 2 ,
.Xr renice 8
.Sh STANDARDS
The
.Nm
utility is compliant with the
.St -p1003.1-2004
specification.
.Pp
The historic
.Fl Ns Ar increment
option has been deprecated but is still supported in this implementation.
.Sh HISTORY
A
.Nm
utility appeared in
.At v6 .
.Sh BUGS
.Nm
is built into
.Xr csh 1
with a slightly different syntax than described here.
The form
.Ql nice +10
nices to positive nice, and
.Ql nice \-10
can be used
by the superuser to give a process more of the processor.