"acct" Exercise


1. Install acct

	$ sudo apt-get install acct

   Installed tools are :

   lastcomm ac sa

2. Now try them out

   Logins

	$ last

   Last command detail

   	$ sudo lastcomm pts/0

   User connect time
   
	$ ac -p
   or
        $ ac -d 
   for per day.
  
   Previously executed command summary

	$ sudo sa

    3501     255.96re       0.22cp         0avio      4922k
      80       5.46re       0.20cp         0avio     32336k   php
      12       0.02re       0.00cp         0avio      2806k   find
      29       0.31re       0.00cp         0avio      2526k   ***other*
      40       2.27re       0.00cp         0avio     22320k   rrdtool

   80 number of times command was called
   5.46re real time in wall clock minutes
   0.20cp sum of system and user time in cpu minutes
   32336k cpu-time averaged core usage, in 1k units
   0avio average number of I/O operations per execution
   "php" command name

    Try:
       $ sudo sa -u
       $ sudo sa -m

3. Contemplate output from commands

   See the output and maybe pipe via "head" or "less".
   This is a lot of data. Are there other ways to detect 
   access?

   Use "man" pages to get more info.