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+.\" Copyright (c) 1983, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)renice.8	8.1 (Berkeley) 6/9/93
+.\"
+.TH RENICE "1" "July 2014" "util-linux" "User Commands"
+.SH NAME
+renice \- alter priority of running processes
+.SH SYNOPSIS
+.B renice
+.RB [ \-n ]
+.I priority
+.RB [ \-g | \-p | \-u ]
+.IR identifier ...
+.SH DESCRIPTION
+.B renice
+alters the scheduling priority of one or more running processes.  The
+first argument is the \fIpriority\fR value to be used.
+The other arguments are interpreted as process IDs (by default),
+process group IDs, user IDs, or user names.
+.BR renice 'ing
+a process group causes all processes in the process group to have their
+scheduling priority altered.
+.BR renice 'ing
+a user causes all processes owned by the user to have their scheduling
+priority altered.
+.SH OPTIONS
+.TP
+.BR \-n , " \-\-priority " \fIpriority\fR
+Specify the scheduling
+.I priority
+to be used for the process, process group, or user.  Use of the option
+.BR \-n " or " \-\-priority
+is optional, but when used it must be the first argument.
+.TP
+.BR \-g ", " \-\-pgrp
+Interpret the succeeding arguments as process group IDs.
+.TP
+.BR \-p ", " \-\-pid
+Interpret the succeeding arguments as process IDs
+(the default).
+.TP
+.BR \-u ", " \-\-user
+Interpret the succeeding arguments as usernames or UIDs.
+.TP
+.BR \-V , " \-\-version"
+Display version information and exit.
+.TP
+.BR \-h , " \-\-help"
+Display help text and exit.
+.SH FILES
+.TP
+.I /etc/passwd
+to map user names to user IDs
+.SH NOTES
+Users other than the superuser may only alter the priority of processes they
+own.  Furthermore, an unprivileged user can only
+.I increase
+the ``nice value'' (i.e., choose a lower priority)
+and such changes are irreversible unless (since Linux 2.6.12)
+the user has a suitable ``nice'' resource limit (see
+.BR ulimit (1p)
+and
+.BR getrlimit (2)).
+
+The superuser may alter the priority of any process and set the priority to any
+value in the range \-20 to 19.
+Useful priorities are: 19 (the affected processes will run only when nothing
+else in the system wants to), 0 (the ``base'' scheduling priority), anything
+negative (to make things go very fast).
+.SH HISTORY
+The
+.B renice
+command appeared in 4.0BSD.
+.SH EXAMPLES
+The following command would change the priority of the processes with
+PIDs 987 and 32, plus all processes owned by the users daemon and root:
+.TP
+.B "       renice" +1 987 \-u daemon root \-p 32
+.SH SEE ALSO
+.BR nice (1),
+.BR chrt (1),
+.BR getpriority (2),
+.BR setpriority (2),
+.BR credentials (7),
+.BR sched (7)
+.SH AVAILABILITY
+The renice command is part of the util-linux package and is available from
+.UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/
+Linux Kernel Archive
+.UE .