The Bash Shell provides the ability to create symbolic names which the shell stores in memory and which can be assigned values so that it can be used repeatedly in a shell script.

Scripts are files that contain shell commands which may be short or can be very complex. Scripts just make it easier because you can invoke one command to run all of the commands in the script. Here instead of using 8 separate commands you can use one command to execute all of them.

An in-depth exploration of the art of shell scripting.This is really usefull shell Scripting tutorial guide for all users.

By and large, most Red Hat Linux systems will have Bash as the default shell. Bash is a darn great shell, but this article is about another equally great shell, called Z-Shell, that has most of the attributes of Bash, but in some cases goes the extra mile to give you the flexibility to customize your shell more than Bash allows.

Bash Shell scripting...every Linux admin needs it to save time. One aspect of shell scripting is writing functions. Creating functions in your scripts allows you to create containers of code that you can reuse in one script or multiple scripts. This tutorial, with examples, shows you how to create functions. The article is a part of a free shell scripting course.

awk supports user defined variables as well as variables that are predefined. These variables do not need to be declared like they do in bash scripts. There are three types of variables.

Learning how to find the errors in your shell scripts is an important skill for successful shell scripting. The debug options in the Bash shell can help with that.

The positions of variables in a Bash Shell script may be used by the script as a reference. These built-in parameters are useful methods for building scripts.

One of the most powerful aspects of popular high-level languages is the existence of a comprehensive standard library. Unfortunately, the most popular Linux shell, bash, lacks a full-featured library bundled with it. A number of people have written libraries to compensate for this lack, which can make your life infinitely easier if you need to write complex bash scripts.