>Can somebody help me write a perl script which totals the total amount of time that each user is using on the
>system, as well as the number of processes the user is using.
Pipe the result of a call to ps through your script and parse it, saving the items you want and calculating your totals. ps is different for every system, so do a man ps and when you have more information and you've actually made an attempt, come back and we can help more.