Your final exercise is how to exit a terminal. Again this is very easy, but I'm going to have you do more.
For your last set of exercises I'm going to have you use the help system to look up a set of commands you should research and learn how to use on your own.
Here's the list for Unix:
For Windows look up these things:
Find out what these are, play with them, and then add them to your index cards.
For the price of most other course's PDFs only, you can get the full PDF for this class and 2 videos demonstrating the whole book for both Unix/OSX Terminal and Windows PowerShell. The course is self-paced so you can go through it any time you want, as many times as you want.