View Your Hard Drive's Entire Directory Structure

I think one of the neatest little commands is the tree command. With tree, you can create a kind of map of your computer's directories.

Execute tree from any directory to see the folder structure under that directory.

Tip: With so much information, it's probably a good idea to export the results of the tree command to a file. For example, tree /a > c:\treeresults.txt,