1.\" 2.\" Copyright (c) 1994 Simon J. Gerraty 3.\" Copyright (c) 1994 Christopher G. Demetriou 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.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd January 21, 2010 29.Dt AC 8 30.Os 31.Sh NAME 32.Nm ac 33.Nd connect time accounting 34.Sh SYNOPSIS 35.Nm 36.Op Fl dp 37.\".Op Fl c Ar console 38.Op Fl t Ar tty 39.Op Fl w Ar wtmp 40.Op Ar users ... 41.Sh DESCRIPTION 42If the file 43.Pa /var/log/utx.log 44exists, a record of individual login and logout 45times are written to it by 46.Xr login 1 47and 48.Xr init 8 , 49respectively. 50The 51.Nm 52utility 53examines these records and writes the accumulated connect time (in hours) 54for all logins to the standard output. 55.Pp 56The options are as follows: 57.Bl -tag -width indentXXX 58.It Fl d 59Display the connect times in 24 hour chunks. 60.\" .It Fl c Ar console 61.\" Use 62.\" .Ar console 63.\" as the name of the device that local X sessions (ut_host of ":0.0") 64.\" originate from. If any login has been recorded on 65.\" .Ar console 66.\" then these X sessions are ignored unless COMPAT_SUNOS was defined at 67.\" compile time. 68.It Fl p 69Print individual users' totals. 70.It Fl t Ar tty 71Only do accounting logins on certain ttys. 72The 73.Ar tty 74specification can start with '!' to indicate not this 75.Ar tty 76and end with '*' to indicate all similarly named ttys. 77Multiple 78.Fl t 79flags may be specified. 80.It Fl w Ar wtmp 81Read connect time data from 82.Ar wtmp 83instead of the default file, 84.Pa /var/log/utx.log . 85.It Ar users ... 86Display totals for the given individuals only. 87.El 88.Pp 89If no arguments are given, 90.Nm 91displays the total connect time for all 92accounts with login sessions recorded in 93.Pa utx.log . 94.Pp 95The default 96.Pa utx.log 97file will increase without bound unless it is truncated. 98It is normally truncated by the daily scripts run 99by 100.Xr cron 8 , 101which rename and rotate the 102.Pa utx.log 103files, keeping a week's worth of data on 104hand. 105No login or connect time accounting is performed if 106.Pa /var/log/utx.log 107does not exist. 108.Pp 109For example, 110.Bd -literal -offset indent 111ac -p -t "ttyd*" > modems 112ac -p -t "!ttyd*" > other 113.Ed 114.Pp 115allows times recorded in 116.Pa modems 117to be charged out at a different rate than 118.Pa other . 119.Sh FILES 120.Bl -tag -width /var/log/utx.log -compact 121.It Pa /var/log/utx.log 122connect time accounting file 123.El 124.Sh EXIT STATUS 125.Ex -std 126.Sh SEE ALSO 127.Xr login 1 , 128.Xr getutxent 3 , 129.Xr init 8 , 130.Xr sa 8 131.\" .Sh NOTES 132.\" If COMPAT_SUNOS is defined 133.\" .Nm ac 134.\" ignores the fact that entries with ut_host of ":0.0" are not real 135.\" login sessions. Normally such entries are ignored except in the case 136.\" of a user being logged in when the 137.\" .Pa wtmp 138.\" file was rotated, in which case a login with ut_host of ":0.0" may 139.\" appear without any preceding console logins. 140.\" If no one is logged in on the console, the user is deemed to have 141.\" logged in on at the earliest time stamp found in 142.\" .Pa wtmp . 143.\" Use of 144.\" .Pa console 145.\" allows 146.\" .Nm ac 147.\" to identify and correctly process a logout for the user. The default 148.\" value for 149.\" .Pa console 150.\" is usually correct at compile time. 151