Versions of Unix
Before we get too involved in this book, there is one thing that needs to be made clear: There are many versions of Unix, also called flavors or distros (short for distributions). In this book, all versions will be referenced as “Unix” unless there is something specific that needs to be said about a certain version or distribution. Since Unix, Linux, and all its cousins are so similar, they are said to be in the same family, but as you know, people in your family don't all look or act the same, do they? Nonetheless, you can think of Unix as a family of sorts, one with a great heritage, many grandparents, and plenty of recorded history to laugh about.
This book (just like the first edition) has been written to be as general as ...
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