At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: You can change the ...

Do you want to create a Shell script in your Linux system? This guide will take you through how to create a shell script using multiple text editors, how to add comments, and how to use Shell ...

Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...

If you have every used the Command Line, or CMD, interface in Windows, you probably have some idea of the powerful things it can do. Creating your own CMD scripts, you can do even more, but faster. A ...