I will be showing you a couple fun things to do in terminal. Terminal is A great app to learn about. You can do so many things. The original computers used a terminal like program to navigate around. Only Two Types of apples Ever did that.The Apple, and The Apple II.
Step 1: How to put widgets on your desktop
First open terminal typ in ( Defaults write com.apple.dashboard devmode yes ) without the (parentheses) . YOu may need to log out and log back in or restart. Now open dashboard click and hold the widget and click F4 it Should be on your desktop know.