1.\" $NetBSD: ruptime.1,v 1.12 2014/01/04 15:43:27 wiz Exp $ 2.\" 3.\" Copyright (c) 1983, 1990, 1993, 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" from: @(#)ruptime.1 8.2 (Berkeley) 4/5/94 31.\" 32.Dd August 9, 2005 33.Dt RUPTIME 1 34.Os 35.Sh NAME 36.Nm ruptime 37.Nd show host status of local machines 38.Sh SYNOPSIS 39.Nm 40.Op Fl alrtu 41.Sh DESCRIPTION 42.Nm 43gives a status line like 44.Xr uptime 1 45for each machine on the local network; these are formed from packets 46broadcast by each host on the network via the 47.Xr rwhod 8 48daemon. 49The default broadcast time by the hosts is every three minutes. 50.Pp 51Machines for which no status report has been received for 11 52minutes are shown as being down. 53.Pp 54The options are as follows: 55.Bl -tag -width Ds 56.It Fl a 57Users idle an hour or more are not counted unless the 58.Fl a 59flag is given. 60.It Fl l 61Sort by load average. 62.It Fl r 63Reverses the sort order. 64.It Fl t 65Sort by uptime. 66.It Fl u 67Sort by number of users. 68.El 69.Pp 70The default listing is sorted by host name. 71.Sh FILES 72.Bl -tag -width /var/rwho/whod.* -compact 73.It Pa /var/rwho/whod.* 74data files 75.El 76.Sh SEE ALSO 77.Xr rup 1 , 78.Xr rwho 1 , 79.Xr uptime 1 , 80.Xr rwhod 8 81.Sh HISTORY 82.Nm 83appeared in 84.Bx 4.2 . 85