2 .\" Copyright (c) 1994 Simon J. Gerraty
3 .\" Copyright (c) 1994 Christopher G. Demetriou
4 .\" All rights reserved.
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26 .\" $FreeBSD: head/usr.sbin/ac/ac.8 248413 2013-03-17 06:54:04Z joel $
28 .Dd September 10, 2019
33 .Nd connect time accounting
37 .\".Op Fl c Ar console
44 exists, a record of individual login and logout
45 times are written to it by
53 examines these records and writes the accumulated connect time (in hours)
54 for all logins to the standard output.
56 The options are as follows:
57 .Bl -tag -width indentXXX
59 Display the connect times in 24 hour chunks.
60 .\" .It Fl c 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
66 .\" then these X sessions are ignored.
68 Print individual users' totals.
70 Only do accounting logins on certain ttys.
73 specification can start with '!' to indicate not this
75 and end with '*' to indicate all similarly named ttys.
78 flags may be specified.
80 Read connect time data from
82 instead of the default file,
85 Display totals for the given individuals only.
88 If no arguments are given,
90 displays the total connect time for all
91 accounts with login sessions recorded in
96 file will increase without bound unless it is truncated.
97 It is normally truncated by the daily scripts run
100 which rename and rotate the
102 files, keeping a week's worth of data on
104 No login or connect time accounting is performed if
108 .Bl -tag -width /var/log/wtmpx -compact
109 .It Pa /var/log/wtmpx
110 connect time accounting file
115 Allow times recorded in
117 to be charged out at a different rate than
119 .Bd -literal -offset indent
120 ac -p -t "ttyd*" > modems
121 ac -p -t "!ttyd*" > other