Introduction to Shell Programming
A shell script is a program written using Unix commands and shell programming constructs. Shell scripts can be used to automate repetitive command sequences and to perform actions on multiple files. This note cover the following topics: what is shell programming, basic Unix pipelines of commands about shell scripts, new commands, variables, parameters and shift cut, if-then-else-fi for-in-do-done, sed, gotchas.
Author(s): Rensselaer Polytechnic Institute
NA Pages 
Bash Shell Scripting by Wikibooks.org
Bash is a Unix shell and command language. This book provides an introductory level knowledge of Bash.
Author(s): Wikibooks.org
NA Pages
We are working on the detailed description of this book, we will update this section soon.
Author(s):
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