If you do not know the name Mark Russinovich you need to get to know his work. He started out hacking the windows kernel and building some absolutely awesome utilities used by System Administrator and Hackers alike.
I needed to find out if a client has a laptop or desktop computer and the computer is on the network but the client was not available: Hmm. What to do, what to do! WMIC! first what is WMIC?
You can use the HOSTS file to block ads and banners, but you can also block many of the parasites and malware that get onto our machines by surfing websites. Here is a link to a MONSTER HOSTS: http://www.mvps.org/winhelp2002/hosts.zip