The KornShell Programming Tutorial should be the model for all technical books. It is well organized and extremely well written. The book provides a ton of examples, and output is provided for each one--what a concept! Reading this book has enabled me to write support and debugging scripts for the program I currently work on, and if I need to refer to the book, I can find the topic quickly. The writing style is crystal-clear and right-to-the-point, and the humorous touches round out everything nicely. Thanks to Barry Rosenberg for caring enough to write a book on Korn Shell programming that a novice could actually read, understand, and apply.