This chapter excerpt on Linux Administration (download PDF) is taken from the book The Accidental Administrator: Linux Server Step-by-Step Configuration Guide. Among the topics covered in this book ...

This series is an introductory course for those who have never touched Linux before. We will explain the mechanisms of Linux ...

Linux commands and concepts you need for performing essential tasks on a server as a DevOps, SRE, or SysAdmin are critical. I'll do my best to explain everything as simple as possible.

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...

If you don't love the shell you're using on your Linux system, change it! There are plenty, including bash, fish, ksh, tcsh, zsh. There are quite a few shells on Linux system and more that can be ...

I’ve been using Linux for decades and even though the GUIs have all become good enough that I could go without ever running another command, I still often depend on the terminal and CLI (Command Line ...

When you start working as an engineer, you may be told early on to "please check on the Linux server."Seeing only text lined up on a black screen can be a bit intimidating, right?Starting today, we ...

Learn new terminal techniques and test your understanding with these fun, interactive tutorials.

Bash (Bourne Again Shell) is the free and enhanced version of the Bourne shell distributed with Linux and GNU operating systems (OSes). Bash is similar to the original but has added features, such as ...

Essentially, the Linux shell interprets commands so the kernel can understand and use them. Without the shell, not only would commands not work, but applications wouldn’t work. So, yes, the shell is ...