Stas and I have written about home networking on multiple occasions, but not everyone is familiar with the subject. Home networking is when more than one computer in a home is connected to each other. The easiest and most popular way currently to network your PCs is using wireless networking.
Once your computers can talk to each other through a network, you can have multiple computers share one printer, use a single Internet connection between multiple computers, and access shared files between computers. To find out more about the subject, you can check out this article on How Home Networking Works.
