## 0.15. Acknowledgments for the Third Edition

Though much of this book is new material or has been newly updated for changes in Unix, there is a core that remains from previous editions. The fact that this material has continued to be fresh, useful, and relevant through the years is a testament to the abilities -- technical and writing -- of the original authors. This includes Tim O'Reilly and Jerry Peek, among others previously mentioned, who contributed to past additions. We, the authors of this current edition, thank you. We had a number of terrific reviewers comment on this version of the text. We appreciate the work of Dave Carrano, Chris DiBona, Schuyler Erle, Jeff Kawski, Werner Klauser, Adam Langley, Arnold Robbins, Jaron Rubenstein, Kevin Schmidt, Jay Sekora, Joe Sloan, Nat Torkington, and Jay Ts.

In addition, I would like to thank those who contribute their time and efforts on Unix systems, particularly the open source versions of Unix such as FreeBSD, Linux, and now Darwin.

--Shelley Powers

I'd just like to thank you all for inviting me to contribute to a book that helped me learn Unix a long time ago. It's nice to be able to give something back, given how much the book helped me back in 1994 when I was just another Unix newbie.

--Steven Champeon

Thank you, Amy and Joel, for the input and review and just for putting up with me through it, and Jasper, for being my strength when I needed it.

--Deborah Hooker

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