With more and more systems being run under UNIX and Linux, the ability to program and customize the shell quickly and reliably to get the best out of any individual system is becoming a more and more important skill for anyone operating and maintaining these systems.

This comprehensive book is a practical, easy-to-use guide to programming and using the Bourne shell for beginners and experienced users - the Bourne shell is the standard shell for UNIX, and is also fully backward compatible to the Linux BASH shell. This book will fully illustrate the ability of the shell to unlock the real potential of UNIX and Linux, and aims to get the reader up, running and creating robust shell scripts for real tasks and situations as quickly as possible - shell scripts that will work on any mainstream UNIX or Linux machine.

If you are new to UNIX and Linux or if you are a power user in waiting then this book is for you. Most shell programming books merely annotate manual pages and syntax , but in this book users of all abilities will find plenty of practical working examples - all of which are available as full code script via an ftp site - as well as a host of tips, tricks and code one-liners, that will save you time on a day-to-day basis. The book is organized into self-contained chapters on individual topics for ease of reference.

Linux and Unix Shell Programming is structured in 5 parts:

* Part 1 deals with the Shell itself, introducing the various commands and syntax * Part 2 introduces all the major text filtering tools available to the shell * Part 3 explains the login environment and customization * Part 4 covers basic shell programming * Part 5 introduces more advanced shell programming techniques

Features: * Practical advice and guidance for beginner and advanced programmers alike * Easy access to specific topics through self-contained chapters for day-to-day reference. * Every chapter backed up with real, practical examples * Full of tested time-saving code one-liners * All programming examples and code available in electronic form

About the Author

David Tansley has many years’ experience in UNIX, and more recently

Linux, as a systems administrator on a variety of platforms, and is currently

a Systems and Database Administrator at Ace Global Markets, a Lloyds of London

Underwriting Agency.

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