All the files needed to run the tutorial are contained within the course. This tutorial can run on a Mac, or on a PC, or on a computer running under any flavor of the UNIX operating system. The tutorial has several lessons. Each lesson contains an explanation of the topic followed by one or more examples.
Many lessons have an activity or exercise.
Start two terminal sessions on your terminal, one for the course, one for the activities. Use one computer. Save your spot in the course in a bookmark, exit the browser, do the activity, then restart the browser and return to the lesson. Now that we introduced ourselves, let's see what the Table of Contents, or index , has to offer.