To get a better idea or picture of how directory trees and subdirectories work, let's play a game. Below is a picture of a fictitious directory tree. Pretend you've just logged into this linux system as the user jbutera.
Do not type these commands in your terminal/ssh window!
When you login, you're always in your home directory - the one with your username on it. This keeps your files separate from other users on the system. On the image below, use your mouse to click jbutera's home directory:
