101 Linux Commands - Interactive eBook
GNU/Linux.guru
Shell Scripting Tutorial
This tutorial is written to help people understand some of the basics of shell script programming (aka shell scripting), and hopefully to introduce some of the possibilities of simple but powerful programming available under the Bourne shell. As such, it has been written as a basis for one-on-one or group tutorials and exercises, and as a reference for subsequent use.
bobbyiliev/introduction-to-bash-scripting: Free Introduction to Bash Scripting eBook
Free Introduction to Bash Scripting eBook.
sysxplore
Sysxplore explores DevOps, Cloud, and Linux topics in a straightforward way, making complex concepts easy to grasp. Our goal is to deliver technical information and make it enjoyable to learn.
Sed - An Introduction and Tutorial
The Grymoire - Tutorial on the SED stream editor.
Git In Two Minutes (for a solo developer) - Gary Robinson's Rants
Inspired by “Git in 5 Minutes”, I decided to take things a step further, and create guide for git that takes even less time to get through. Of course, this is very minimalistic git! But it’s enough be useful for...
Perjel's Blog
Perjel's Blog about pretty much everything.
Beej's Guides