Bash scripting is a powerful tool for automating tasks on Linux and Unix-like systems. While it's well-known for managing file and process operations, arithmetic operations, such as division, play a ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

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 ...

I would like to write a simple bash script. I tried googling bash, grep, and regular expressions, but I got a textbook thrown back at me, and I have too much on my plate to dive into regexps in depth, ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...