1.\" Copyright (c) 1980, 1990, 1993, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.Dd September 11, 2025 29.Dt UPTIME 1 30.Os 31.Sh NAME 32.Nm uptime 33.Nd show how long system has been running 34.Sh SYNOPSIS 35.Nm 36.Op Fl -libxo 37.Sh DESCRIPTION 38The 39.Nm 40utility displays the current time, 41the length of time the system has been up, 42the number of users, and the load average of the system over the last 431, 5, and 15 minutes. 44.Pp 45The following options are available: 46.Bl -tag -width indent 47.It Fl -libxo 48Generate output via 49.Xr libxo 3 50in a selection of different human and machine readable formats. 51See 52.Xr xo_options 7 53for details on command line arguments. 54.El 55.Sh FILES 56.Bl -tag -width /boot/kernel/kernel 57.It Pa /boot/kernel/kernel 58system name list 59.El 60.Sh EXAMPLES 61.Bd -literal -offset indent 62$ uptime 6311:23AM up 3:01, 8 users, load averages: 21.09, 15.43, 12.79 64.Ed 65.Sh SEE ALSO 66.Xr w 1 , 67.Xr libxo 3 , 68.Xr xo_options 7 69.Sh HISTORY 70The 71.Nm 72command appeared in 73.Bx 3.0 . 74