How to use variables in shell Scripting

Posted by linuxtechi on Jul 28, 2014 1:16 PM EDT
http://www.linuxtechi.com; By Pradeep Kumar
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In every programming language variables plays an important role , in Linux shell scripting we are using two types of variables : System Defined Variables & User Defined Variables.

In every programming language variables plays an important role , in Linux shell scripting we are using two types of variables : System Defined Variables & User Defined Variables.

A variable in a shell script is a means of referencing a numeric or character value. And unlike formal programming languages, a shell script doesn't require you to declare a type for your variables

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