One of the first things Linux users need to learn is how to move around the Linux file system and, eventually, how to make it even easier to move around the file system. This post describes both the basic commands you need and some smart moves to make navigating easier.
Absolute and relative paths
Before we get moving, it’s important to understand the difference between absolute paths (like /home/jdoe) and relative paths (like images/photos and ..). Absolute paths always begin with a / that, of course, represents the base of the file system. If the specified path doesn’t start with a /, it’s relative. Here are some examples of both relative and absolute paths:
Source:: Network World – Data Center