1.\" Copyright (c) 1983, 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.\" 4. 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.\" @(#)ruptime.1 8.2 (Berkeley) 4/5/94 29.\" $FreeBSD$ 30.\" 31.Dd March 1, 2003 32.Dt RUPTIME 1 33.Os 34.Sh NAME 35.Nm ruptime 36.Nd show host status of local machines 37.Sh SYNOPSIS 38.Nm 39.Op Fl alrtu 40.Op Ar host ... 41.Sh DESCRIPTION 42The 43.Nm 44utility gives a status line like 45.Xr uptime 1 46for each machine on the local network; these are formed from packets 47broadcast by each host on the network once every three minutes. 48.Pp 49If no operands are given, 50.Nm 51displays uptime status for all machines; 52otherwise only those hosts specified on the command line are displayed. 53If hosts are specified on the command line, the sort order is equivalent 54to the order hosts were specified on the command line. 55.Pp 56Machines for which no status report has been received for 11 57minutes are shown as being down, and machines for which no status 58report has been received for 4 days are not shown in the list at all. 59.Pp 60The options are as follows: 61.Bl -tag -width Ds 62.It Fl a 63Include all users. 64By default, if a user has not typed to the system for 65an hour or more, then the user will be omitted from the output. 66.It Fl l 67Sort by load average. 68.It Fl r 69Reverse the sort order. 70.It Fl t 71Sort by uptime. 72.It Fl u 73Sort by number of users. 74.El 75.Pp 76The default listing is sorted by host name. 77.Sh FILES 78.Bl -tag -width /var/rwho/whod.* -compact 79.It Pa /var/rwho/whod.* 80data files 81.El 82.Sh SEE ALSO 83.Xr rwho 1 , 84.Xr uptime 1 , 85.Xr rwhod 8 86.Sh HISTORY 87A 88.Nm 89utility appeared in 90.Bx 4.2 . 91