Bash is a text-based shell for controlling your computer (or operating system). Bash is actually an acronym which stands for Bourne-Again SHell. It replaced the Bourne shell and "bashed together" the ...

You can store Linux commands as variables in shell scripts by using the syntax: VARIABLE_NAME=$(COMMAND_TO_BE_EXECUTED). Once you have saved the Linux command as a ...

There are quite a few ways to increment and decrement numeric variables in bash. This post examines the many ways you can do this. When preparing scripts that will run in bash, it’s often critical to ...

The Linux command line is a powerful tool that gives you complete control over your system. But to unleash its full potential, you must understand the environment in which it operates. One crucial ...

Linux environment variable is an object that contains value. In simple terms it is a pair of data object and their respective values. Example ls command is found in /bin,users should execute the ...

Editor's Note: This article has been updated by its author. Thank you, Pat. Have you ever wanted to change the names of many files at once? Or, have you ever needed to use a default value for a ...

This comprehensive guide explains what PATH is, how the PATH environment variable works in Linux, how to inspect it, change it (both temporarily and permanently). It also covers the steps to ...