system_cmds-431.tar.gz

[apple/system_cmds.git] / ac.tproj / ac.8

diff --git a/ac.tproj/ac.8 b/ac.tproj/ac.8
index 0c834a7a991e7393cdd76ad0a0ac2d2775aa47b5..dd40a55ef7a8f388f3e68cc9852c1ba8699bf2db 100644 (file)
--- a/ac.tproj/ac.8
+++ b/ac.tproj/ac.8
@@ -36,7 +36,7 @@
 .Os BSD 4
 .Sh NAME
 .Nm ac
-.Nd display connect time accounting
+.Nd display connect-time accounting
 .Sh SYNOPSIS
 .Nm ac
 .Op Fl d
@@ -44,20 +44,17 @@
 .Op Fl w Ar file
 .Op Ar users ...
 .Sh DESCRIPTION
-If the file
-.Pa /var/log/wtmp
-exists,
-a record of individual
-login and logout times are written to it by
-.Xr init 8
-and
+A record of individual
+login and logout times are written to the system log by
 .Xr login 8
+and
+.Xr launchd 8 ,
 respectively.
 The program
 .Nm ac
-examines these
-records and writes the accumulated connect time for all logins to the
-standard output.
+examines these records
+and writes the accumulated connect time (in decimal hours)
+for all logins to the standard output.
 .Pp
 Options available:
 .Bl -tag -width people
@@ -67,41 +64,23 @@ Display the connect times in 24 hour chunks.
 Display individual user totals.
 .It Fl w Ar file
 Read raw connect time data from
-.Ar file
-instead of the default file
-.Pa /var/log/wtmp .
+.Ar file ,
+instead of the system log.
 .It Ar users ...
 Display totals for the given individuals
 only.
 .El
 .Pp
 If no arguments are given,
-.Nm
-displays the total amount of login time for all active accounts on the
-system.
-.Pp
-The default
-.Pa wtmp
-file is an infinitely increasing file
-unless frequently truncated.  This is normally
-done by the daily daemon scripts scheduled by
-.Xr cron 8
-which rename and rotate the
-.Pa wtmp
-files before truncating them (and keeping about a weeks worth on hand).
-No login times are collected however, if the file does not exist.
-.Sh FILES
-.Bl -tag -width /var/log/wtmp.[0-7] -compact
-.It Pa /var/log/wtmp
-.It Pa /var/log/wtmp.[0-7]
-rotated files
-.El
+.Nm ac
+displays the total amount of login time
+for all active accounts on the system.
 .Sh SEE ALSO
-.Xr init 8 ,
-.Xr sa 8 ,
 .Xr login 1 ,
-.Xr utmp 5 .
+.Xr utmpx 5 ,
+.Xr launchd 8 ,
+.Xr sa 8
 .Sh HISTORY
-A
-.Nm
+An
+.Nm ac
 command appeared in Version 6 AT&T UNIX.