After completing this tutorial, you should open the checklist [requires Adobe Acrobat Reader] that highlights the aspects of operating systems explained in this tutorial. You will be responsible for knowing each item on the checklist.

As you are going through the tutorial, you will see a menu down the left side of each page. This menu is an outline of the presentation and shows only the major categories. However, to proceed through the tutorials, use the arrows at the top right-hand corner. There are pages that are not directly linked to in the left menu that will be missed if the arrows are not used.

Throughout the tutorial you will come across this symbol: . These tips are extra tidbits of knowledge that might make exploring operating systems easier.