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.\"	$OpenBSD: uptime.1,v 1.6 1999/08/12 19:26:39 millert Exp $
.\"
.\" Copyright (c) 1980, 1990, 1993, 1994
.\"	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.
.\"
.\"     @(#)uptime.1	8.2 (Berkeley) 4/18/94
.\"
.Dd August 12, 1999
.Dt UPTIME 1
.Os
.Sh NAME
.Nm uptime
.Nd show how long system has been running
.Sh SYNOPSIS
.Nm uptime
.Op Fl M Ar core
.Op Fl N Ar system
.Sh DESCRIPTION
The
.Nm uptime
utility displays the current time,
the length of time the system has been up,
the number of users, and the load average of the system over the last
1, 5, and 15 minutes.  This is the
.Dq heading
information from
.Xr w 1 .
.Pp
The options are as follows:
.Bl -tag -width XXXXXXXXX
.It Fl M Ar core
Extract values associated with the name list from the specified
.Ar core
instead of the default
.Pa /dev/kmem .
.It Fl N Ar system
Extract the name list from the specified
.Ar system
instead of the default  
.Pa /bsd .
.Sh SEE ALSO
.Xr w 1
.Sh HISTORY
The
.Nm
command appeared in
.Bx 3.0 .