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+.\" Copyright (c) 1980, 1990, 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
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" 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.
+.\"
+.\"	@(#)nice.1	8.1 (Berkeley) 6/6/93
+.\"
+.Dd June 6, 1993
+.Dt NICE 1
+.Os BSD 4
+.Sh NAME
+.Nm nice
+.Nd execute a command at a low scheduling priority
+.Sh SYNOPSIS
+.Nm nice
+.Op Fl Ns Ar number
+.Ar command
+.Op Ar arguments
+.Sh DESCRIPTION
+.Nm Nice
+runs
+.Ar command
+at a low priority.
+(Think of low and slow).
+If
+.Fl Ns Ar number
+is specified, and if it is greater than or equal
+to 10 (the default),
+.Nm nice
+will execute
+.Ar command
+at that priority.
+The upper bound, or lowest priority that
+.Nm nice
+will run a command is 20.
+The lower bounds or
+higher priorities (integers less than 10)
+can only be requested by the super-user.
+Negative numbers are expressed as
+.Fl - Ns Ar number .
+.Pp
+The returned exit status is the exit value from the
+command executed by
+.Nm nice .
+.Sh SEE ALSO
+.Xr csh 1 ,
+.Xr renice 8
+.Sh HISTORY
+A
+.Nm nice
+command appeared in
+.At v6 .
+.Sh BUGS
+.Nm Nice
+is particular to
+.Xr sh  1  .
+If you use
+.Xr csh  1  ,
+then commands executed with ``&'' are automatically immune to hangup
+signals while in the background.
+.Pp
+.Nm Nice
+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 super-user to give a process more of the processor.