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AC(8)									 AC(8)

NAME
       ac - login accounting

SYNOPSIS
       /usr/etc/ac [ -w wtmp ] [ -p ] [ -d ] [ people ] ...

DESCRIPTION
       Ac produces a printout giving connect time for each user who has logged
       in during the life of the current wtmp file.  A total is also produced.
       -w  is  used  to	 specify an alternate wtmp file.  -p prints individual
       totals; without this option, only totals	 are  printed.	 -d  causes  a
       printout	 for  each midnight to midnight period.	 Any people will limit
       the printout to only the specified login names.	If  no	wtmp  file  is
       given, /usr/adm/wtmp is used.

       The  accounting	file  /usr/adm/wtmp  is	 maintained by init and login.
       Neither of these programs creates the file, so if it does not exist  no
       connect-time  accounting	 is  done.   To start accounting, it should be
       created with length  0.	 On  the  other	 hand  if  the	file  is  left
       undisturbed it will grow without bound, so periodically any information
       desired should be collected and the file truncated.

FILES
       /usr/adm/wtmp

SEE ALSO
       init(8), sa(8), login(1), utmp(5).

4th Berkeley Distribution	April 27, 1985				 AC(8)
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