1.\" Copyright (c) 2011-2012 Ed Schouten <ed@FreeBSD.org> 2.\" 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.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd November 3, 2013 28.Dt UTX 8 29.Os 30.Sh NAME 31.Nm utx 32.Nd manage the user accounting database 33.Sh SYNOPSIS 34.Nm 35.Cm boot 36.Nm 37.Cm shutdown 38.Nm 39.Cm rm 40.Ar identifier 41.Ar ... 42.Sh DESCRIPTION 43The 44.Nm 45utility can be used to perform operations on the user accounting 46database, as done by 47.Xr pututxline 3 . 48.Pp 49The first argument to 50.Nm 51indicates an action to be performed: 52.Bl -tag -width ".Cm shutdown" 53.It Cm boot 54Write a boot time record to the user accounting database. 55This option should typically only be used by 56.Xr rc 8 . 57.It Cm shutdown 58Write a shutdown time record to the user accounting database. 59This option should typically only be used by 60.Xr rc 8 . 61.It Cm rm 62Remove stale sessions from the user accounting 63database, by referring to their 64.Ar identifier . 65Stale sessions can occur if a login service exits prematurely or fails 66to remove the session from the accounting database. 67.Pp 68Utilities such as 69.Xr w 1 70will not display the identifier corresponding with a login session, 71since its value is typically only of use by the process managing the 72record. 73The following command can be used to obtain all records from the user 74accounting database's active session table, including its identifiers: 75.Pp 76.Dl getent utmpx active 77.Pp 78Identifiers can either be supplied in hexadecimal form as displayed by 79.Xr getent 1 , 80or as a string if the identifier allows such a representation. 81.El 82.Pp 83Because this utility requires write-access to the user accounting 84database, its use is limited to the super-user. 85.Sh SEE ALSO 86.Xr getent 1 , 87.Xr w 1 , 88.Xr pututxline 3 89.Sh HISTORY 90The 91.Nm 92utility replaced 93.Nm utxrm 94in 95.Fx 10.0 . 96.Sh AUTHORS 97.An Ed Schouten Aq Mt ed@FreeBSD.org 98