1.\" $NetBSD: lastlogin.8,v 1.3 1998/02/06 06:20:39 perry Exp $ 2.\" 3.\" Copyright (c) 1996 John M. Vinopal 4.\" 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. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed for the NetBSD Project 17.\" by John M. Vinopal. 18.\" 4. The name of the author may not be used to endorse or promote products 19.\" derived from this software without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31.\" SUCH DAMAGE. 32.\" 33.Dd August 28, 2018 34.Dt LASTLOGIN 8 35.Os 36.Sh NAME 37.Nm lastlogin 38.Nd indicate last login time of users 39.Sh SYNOPSIS 40.Nm 41.Op Fl -libxo 42.Op Fl f Ar file 43.Op Fl rt 44.Op Ar user ... 45.Sh DESCRIPTION 46The 47.Nm 48utility will list the last login session of each specified 49.Ar user , 50or for all users by default. 51Each line of output contains 52the user name, the tty from which the session was conducted, any 53hostname, and the start time for the session. 54.Pp 55If more than one 56.Ar user 57is given, the session information for each user is printed in 58the order given on the command line. 59Otherwise, information for all users is printed. 60By default, the entries are sorted by user name. 61.Pp 62The 63.Nm 64utility differs from 65.Xr last 1 66in that it only prints information regarding the very last login session. 67The last login database is never turned over or deleted in standard usage. 68.Pp 69The following options are available: 70.Bl -tag -width indent 71.It Fl -libxo 72Generate output via 73.Xr libxo 3 74in a selection of different human and machine readable formats. 75See 76.Xr xo_parse_args 3 77for details on command line arguments. 78.It Fl f Ar file 79Open last login database 80.Ar file 81instead of the system-wide database. 82.It Fl r 83Print the entries in reverse sorted order. 84.It Fl t 85Sort the elements by last login time, instead of user name. 86.El 87.Sh FILES 88.Bl -tag -width /var/log/utx.lastlogin -compact 89.It Pa /var/log/utx.lastlogin 90last login database 91.El 92.Sh SEE ALSO 93.Xr last 1 , 94.Xr getutxent 3 , 95.Xr ac 8 , 96.Xr libxo 3 , 97.Xr xo_parse_args 3 98.Sh AUTHORS 99.An -nosplit 100.An John M. Vinopal 101wrote this program in January 1996 and contributed it 102to the 103.Nx 104project. 105.An Philip Paeps added 106.Xr libxo 3 107support in August 2018. 108