in windows 2000 you can shutdown, restart computers on a network with right click on my computer and select manage,then right click on computer management,and then click connect to another computer,...

also alot of companies track your internet usage.
I have seen 10 people fired from a company in my companies office park,
for going to adult sites. your IT dept. doesn't need to see your cookies or...

if your using IE6
goto tools
internet options
advanced tab
scroll down to security and check
empty temp internet files on exit
also in the genral tab click
delete cookies and history