cd (or chdir) stands for "change directory." This command is key to moving around your file structure.
Structure: cd [name of directory you want to move to]
When changing directories, start with / and then type the complete file path, like so:
cd /webmonkey/chimp/
If you want to enter a subdirectory of the directory that you're currently in, then omit the first /. So if you wanted to stay in the chimp directory but move to the simian subdirectory, you'd type:
