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.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)ruptime.1 8.2 (Berkeley) 4/5/94 33.\" $FreeBSD$ 34.\" 35.Dd March 1, 2003 36.Dt RUPTIME 1 37.Os 38.Sh NAME 39.Nm ruptime 40.Nd show host status of local machines 41.Sh SYNOPSIS 42.Nm 43.Op Fl alrtu 44.Op Ar host ... 45.Sh DESCRIPTION 46The 47.Nm 48utility gives a status line like 49.Xr uptime 1 50for each machine on the local network; these are formed from packets 51broadcast by each host on the network once every three minutes. 52.Pp 53If no operands are given, 54.Nm 55displays uptime status for all machines; 56otherwise only those hosts specified on the command line are displayed. 57If hosts are specified on the command line, the sort order is equivalent 58to the order hosts were specified on the command line. 59.Pp 60Machines for which no status report has been received for 11 61minutes are shown as being down, and machines for which no status 62report has been received for 4 days are not shown in the list at all. 63.Pp 64The options are as follows: 65.Bl -tag -width Ds 66.It Fl a 67Include all users. By default, if a user hasn't typed to the system for 68an hour or more, then the user will be omitted from the output. 69.It Fl l 70Sort by load average. 71.It Fl r 72Reverse the sort order. 73.It Fl t 74Sort by uptime. 75.It Fl u 76Sort by number of users. 77.El 78.Pp 79The default listing is sorted by host name. 80.Sh FILES 81.Bl -tag -width /var/rwho/whod.* -compact 82.It Pa /var/rwho/whod.* 83data files 84.El 85.Sh SEE ALSO 86.Xr rwho 1 , 87.Xr uptime 1 , 88.Xr rwhod 8 89.Sh HISTORY 90A 91.Nm 92utility appeared in 93.Bx 4.2 . 94