Introduction

Most security books demand only moderate sales, and thus Maximum Security II's success was a pleasant surprise. Even more surprising, though, were the reader responses I received. Not only did readers like the material, but they were anxious to see more. This left me wondering what type of book I should write next.

I spoke with my editors, and they reiterated a point that many readers had made: Maximum Security II was good, but what about a book that focused on a specific operating system? I agreed that this was a good idea in principle, but the question remained: Which operating system? In the end we chose Linux, and I'd like to explain why.

For many years Linux was a dark horse, an iconoclastic choice for folks seeking alternatives ...

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