-- Helps the beginner become a productive shell programmer in just 24 hours.-- Revised with updated useful information requested through reader feedback.-- This book teaches the reader shell programming for Bourne, Korn, and Bash shells on UNIX and Linux systems.The vast majority of users utilize the Korn shell or some variant of the Bourne shell, such as Bash. This book covers these shells. It begins with a generalized tutorial of UNIX and tools and then moves into detailed coverage of shell programming. Sams Teach Yourself Shell Programming in 24 Hours is one of the best values because it provides readers with more information for less money. This book uses the effective and proven Teach Yourself format to instruct the reader how to make their shell work for them. It covers useful information including managing input/output, manipulating text filters, understanding and debugging shell scripts creating and utilizing variables, tools, processes, and customizing the shell.
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