Can two computers be hooked together so you can see what each is doing?

can two computers be in two different towns be hooked together so that you can see what each one is doing

Can two computers be hooked together so you can see what each is doing?antivirus software

Complicated but yes.

Can two computers be hooked together so you can see what each is doing?computer virus

Yes, it call mapping. You have to know the IP address in order to do this mapping.
Yes. The official method is called Remote Desktop (it`s already installed, it comes with WinXP).

The un-official methoid : Remote Administrator (Radmin for short), but you have to set it up good and here is not the place to talk about this (if you are using this one, you are hacking!).
Yes its called Remote Desktop Windows XP comes with it.
yes. there is 3rd party utility that can enable remote computing so that both host and remote can acess the same computer resources.

eg, PC Anywhere, VNC
yes with gotoasist and VNC viewer
PCAnywhere
You can do this with web conferencing software, like WebEx. It's great for demoing software over the internet.

Windows Messenger also has web conferencing abilities, but I haven't used them.