If you're an avid computer user, there's a good chance that you've heard of Linux. You might have read about it, or perhaps you've seen TV ads that refer to it.
One of the odd things about Linux is that the more you learn about it, the more questions you have. For instance, it's generally thought that Linux is free of charge, but this then raises the question of how, in our modern world, something like an entire computer operating system can cost nothing. After all, who pays the programmers?
In the following introductory chapters, we're going to try to answer some of these questions. In this chapter, we'll explain what Linux is and its benefits compared to Windows.
There are two ways of looking at a PC. The first ...