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.\" 30.Dd August 8, 2017 31.Dt RUPTIME 1 32.Os 33.Sh NAME 34.Nm ruptime 35.Nd show host status of local machines 36.Sh SYNOPSIS 37.Nm 38.Op Fl alrtu 39.Op Ar host ... 40.Sh DESCRIPTION 41The 42.Nm 43utility gives 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 once every three minutes. 47.Pp 48If no operands are given, 49.Nm 50displays uptime status for all machines; 51otherwise only those hosts specified on the command line are displayed. 52If hosts are specified on the command line, the sort order is equivalent 53to the order hosts were specified on the command line. 54.Pp 55Machines for which no status report has been received for 11 56minutes are shown as being down, and machines for which no status 57report has been received for 4 days are not shown in the list at all. 58.Pp 59The options are as follows: 60.Bl -tag -width Ds 61.It Fl a 62Include all users. 63By default, if a user has not typed to the system for 64an hour or more, then the user will be omitted from the output. 65.It Fl l 66Sort by load average. 67.It Fl r 68Reverse the sort order. 69.It Fl t 70Sort by uptime. 71.It Fl u 72Sort by number of users. 73.El 74.Pp 75The default listing is sorted by host name. 76.Sh FILES 77.Bl -tag -width /var/rwho/whod.* -compact 78.It Pa /var/rwho/whod.* 79data files 80.El 81.Sh SEE ALSO 82.Xr rwho 1 , 83.Xr uptime 1 , 84.Xr rwhod 8 85.Sh HISTORY 86A 87.Nm 88utility appeared in 89.Bx 4.2 . 90