If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

While many desktop Linux distributions provide an easy-to-use graphical user interface, there are times when you must perform certain work-related or system administration tasks using old-fashioned ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

I get a lot of questions on how to perform various tasks from a Linux shell/terminal. In the interest of making a simple cheat sheet—something I can point people to that will help them get rolling ...

One incarnation of the so called 80/20 rule has been associated with software systems. It has been observed that 80% of a user population regularly uses only 20% of a system's features. Without ...

Kali Linux 2020.4 was released yesterday by Offensive Security, and it takes the big step of changing the default shell from Bash to ZSH. Kali Linux comes with numerous software packages and tools ...