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. 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: src/usr.bin/ruptime/ruptime.1,v 1.8.2.5 2002/06/21 15:29:03 charnier Exp $ 30.\" $DragonFly: src/usr.bin/ruptime/ruptime.1,v 1.2 2003/06/17 04:29:31 dillon Exp $ 31.\" 32.Dd April 5, 1994 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 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 49Machines for which no status report has been received for 11 50minutes are shown as being down, and machines for which no status 51report has been received for 4 days are not shown in the list at all. 52.Pp 53The options are as follows: 54.Bl -tag -width Ds 55.It Fl a 56Include all users. By default, if a user hasn't typed to the system for 57an hour or more, then the user will be omitted from the output. 58.It Fl l 59Sort by load average. 60.It Fl r 61Reverse the sort order. 62.It Fl t 63Sort by uptime. 64.It Fl u 65Sort by number of users. 66.El 67.Pp 68The default listing is sorted by host name. 69.Sh FILES 70.Bl -tag -width /var/rwho/whod.* -compact 71.It Pa /var/rwho/whod.* 72data files 73.El 74.Sh SEE ALSO 75.Xr rwho 1 , 76.Xr uptime 1 , 77.Xr rwhod 8 78.Sh HISTORY 79A 80.Nm 81utility appeared in 82.Bx 4.2 . 83