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Download free Linux Shell Scripting Tutorial v1.05r3 A Beginner's handbook.pdf This tutorial is designed for beginners who wish to learn the basics of shell scripting/programming plus introduction to power tools such as awk, sed, etc. It is not help or manual for the shell; while reading this tutorial you can find manual quite useful (type man bash at $ prompt to see manual pages). Manual contains all necessary information you need, but it won't have that much examples, which makes idea more clear. For this reason, this tutorial contains examples rather than all the features of shell.

I assumes you have at least working knowledge of Linux i.e. basic commands like how to create, copy, remove files/directories etc or how to use editor like vi or mcedit and login to your system. But not expects any programming language experience. If you have access to Linux, this tutorial will provide you an easy-to-follow introduction to shell scripting.

Many other tutorial and books on Linux shell scripting are either too basic, or skips important intermediate steps. But this tutorial, maintained the balance between these two. It covers the many real life modern example of shell scripting which are almost missed by many other tutorials/documents/books. I have used a hands-on approach in this tutorial. The idea is very clear "do it yourself or learn by doing" i.e. trying things yourself is the best way to learn, so examples are presented as complete working shell scripts, which can be typed in and executed

Chapter 1 to 4 shows most of the useful and important shell scripting concepts. Chapter 5 introduction to tools & utilities which can be used while programming the Linux shell smartly. Chapter 6 and 7 is all about expression and expression mostly used by tools such as sed and awk. Chapter 8 is loaded with tons of shell scripting examples divided into different categories. Chapter 9 gives more resources information which can be used while learning the shell scripting like information on Linux file system, common Linux command reference and other resources.
Chapter 1 introduces to basic concepts such as what is Linux, where Linux can used and continue explaning the shell, shell script and kernel etc.
Chapter 2 shows how to write the shell script and execute them. It explains many basic concepts which requires to write shell script.
Chapter 3 is all about making decision in shell scripting as well as loops in shell. It explains what expression are, how shell understands the condition/decisions. It also shows you nesting concept for if and for loop statement and debugging of shell script.
Chapter 4 introduces the many advanced shell scripting concepts such as function, user interface, File Descriptors, signal handling, Multiple command line arguments etc.
Chapter 5 introduces to powerful utility programs which can be used variety of purpose while programming the shell.
Chapter 6 and 7 gives more information on patterns, filters, expressions, and off course sed and awk is covered in depth.
Chapter 8 contains lot of example of shell scripting divided into various category such as logic development, system administration etc.


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