About the Author

ImagesAfter almost 20 years in magazine and newspaper publishing, variously as writer, editor, graphic designer, and production manager, Chris F.A. Johnson now earns his living composing cryptic crossword puzzles, teaching chess, designing and coding web sites, and programming...and writing books about shell scripting. His first book, Shell Scripting Recipes: A Problem-Solution Approach, was published by Apress in 2005.

Introduced to Unix in 1990, Chris learned shell scripting because there was no C compiler on the system. His first major project was a menu-driven, user-extensible database system with a report generator. Constantly ...

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