In new free book the authors of twenty-five open source applications explain how their software is structured, and why. What are each program's major components? How do they interact? And what did their builders learn during their development? In answering these questions, the contributors to this book provide unique insights into how they think.

The purpose of this book is to help you understand how to program shared-memory parallel machines without risking your sanity. By describing the algorithms and designs that have worked well in the past, we hope to help you avoid at least some of the pitfalls that have beset parallel projects.

Sometimes people come to me and ask, "How did medieval filmmakers protect their DVDs from piracy?" And I tell them that since so few households had DVD players during the thousand or so years between the fall of the Roman Empire and the Renaissance that it really never became much of an issue.

The GNU/Linux systems have reached an important level of maturity, allowing to integrate them in almost any kind of work environment, from a desktop PC to the sever facilities of a big company. In the module called "The GNU/Linux operating system", the main contents are related with system administration. This book is the main documentation for the module.

I’m happy to announce that my free eBook, Linux 101 Hacks is now available for online browsing in HTML format. I’ve also updated the book with the following minor changes:

I love jQuery. It's not like there aren't other JavaScript libraries out there, but jQuery was the first I became involved with and so far, it's solved every web design problem I've encountered. Of course, I usually go searching for a jQuery solution on the web when I have such a problem. That's why I was looking forward to O'Reilly's jQuery Cookbook.

Christmas is near! Matthias has some good advice. Here is his new list of Free Software related books 2009 which are also good for people who have not heard much about Free Software before.

Linux in a Nutshell is considered a classic by anyone's standards, so it's expected to review well. In fact, the prior editions have reviewed extremely well so, in this case, turning in a bad review on the latest edition would mean that the authors and publisher must have completely rewritten the book and done a poor job of it. Fortunately, that's not the case here.