Using the /dev and /proc File Systems
"There are two Linux file systems that continually prove to be confusing stumbling blocks to new Linux users. These two directories, /proc and /dev have no Windows counterpart, and are not at first glance easily understandable. They are, however, powerful tools for understanding and using Linux. This article is a walk-through of the device (/dev) and process (/proc) file systems. It will explain what they are, how they work, and how they are used in practice." Read the rest of the article at NewsForge.