Acknowledgments
This book, of course, was not written in a vacuum; we would like to thank the many people who have helped to make it possible.
I (Alessandro) would like to thank the people that made this work possible. First of all, the incredible patience of Federica, who went as far as letting me review the first edition during our honeymoon, with a laptop in the tent. Giorgio and Giulia have only been involved in the second edition of the book, and helped me stay in touch with reality by eating pages, pulling wires, and crying for due attention. I must also thank all four grandparents, who came to the rescue when the deadlines were tight and took over my fatherly duties for whole days, letting me concentrate on code and coffee. I still owe a big thanks to Michael Johnson, who made me enter the world of writing. Even though this was several years ago, he’s still the one that made the wheel spin; earlier, I had left the university to avoid writing articles instead of software. Being an independent consultant, I have no employer that kindly allowed me to work on the book; on the other hand, I owe due acknowledgment to Francesco Magenta and Rodolfo Giometti, who are helping me as “dependent consultants.” Finally, I want to acknowledge the free-software authors who actually taught me how to program without even knowing me; this includes both kernel and user-space authors I enjoyed reading, but they are too many to list.
I (Jon) am greatly indebted to many people; first and foremost ...