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ac.8
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ac.c
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Editing: ac.8
.\" .\" Copyright (c) 1994 Simon J. Gerraty .\" Copyright (c) 1994 Christopher G. Demetriou .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. .\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .\" $FreeBSD$ .\" .Dd February 14, 2020 .Dt AC 8 .Os .Sh NAME .Nm ac .Nd connect time accounting .Sh SYNOPSIS .Nm .Op Fl dp .\".Op Fl c Ar console .Op Fl t Ar tty .Op Fl w Ar wtmp .Op Ar users ... .Sh DESCRIPTION If the file .Pa /var/log/utx.log exists, a record of individual login and logout times are written to it by .Xr login 1 and .Xr init 8 , respectively. The .Nm utility examines these records and writes the accumulated connect time (in hours) for all logins to the standard output. .Pp The options are as follows: .Bl -tag -width indentXXX .It Fl d Display the connect times in 24 hour chunks. .\" .It Fl c Ar console .\" Use .\" .Ar console .\" as the name of the device that local X sessions (ut_host of ":0.0") .\" originate from. If any login has been recorded on .\" .Ar console .\" then these X sessions are ignored unless COMPAT_SUNOS was defined at .\" compile time. .It Fl p Print individual users' totals. .It Fl t Ar tty Only do accounting logins on certain ttys. The .Ar tty specification can start with '!' to indicate not this .Ar tty and end with '*' to indicate all similarly named ttys. Multiple .Fl t flags may be specified. .It Fl w Ar wtmp Read connect time data from .Ar wtmp instead of the default file, .Pa /var/log/utx.log . .It Ar users ... Display totals for the given individuals only. .El .Pp If no arguments are given, .Nm displays the total connect time for all accounts with login sessions recorded in .Pa utx.log . .Pp The default .Pa utx.log file will increase without bound unless it is truncated. It is normally truncated by the daily scripts run by .Xr cron 8 , which rename and rotate the .Pa utx.log files, keeping a week's worth of data on hand. No login or connect time accounting is performed if .Pa /var/log/utx.log does not exist. .Sh FILES .Bl -tag -width /var/log/utx.log -compact .It Pa /var/log/utx.log connect time accounting file .El .Sh EXIT STATUS .Ex -std .Sh EXAMPLES Allow times recorded in .Pa modems to be charged out at a different rate than .Pa other : .Bd -literal -offset indent ac -p -t "ttyd*" > modems ac -p -t "!ttyd*" > other .Ed .Sh SEE ALSO .Xr login 1 , .Xr getutxent 3 , .Xr init 8 , .Xr sa 8 .Sh HISTORY An .Nm command appeared in .At v5 . This version of .Nm was written for .Nx 0.9a from the specification provided by various systems' manual pages. .\" .Sh NOTES .\" If COMPAT_SUNOS is defined .\" .Nm ac .\" ignores the fact that entries with ut_host of ":0.0" are not real .\" login sessions. Normally such entries are ignored except in the case .\" of a user being logged in when the .\" .Pa wtmp .\" file was rotated, in which case a login with ut_host of ":0.0" may .\" appear without any preceding console logins. .\" If no one is logged in on the console, the user is deemed to have .\" logged in on at the earliest time stamp found in .\" .Pa wtmp . .\" Use of .\" .Pa console .\" allows .\" .Nm ac .\" to identify and correctly process a logout for the user. The default .\" value for .\" .Pa console .\" is usually correct at compile time.
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