Linux

LINUX eLearning website:

Linux Programming: This can be a starting point for learning how to develop Linux programs and manage Linux systems. There is a detailed explanation of the FAQ, including why Linux is important, the difference between Linux and UNIX.
Norm Matloff's UNIX and Linux Tutorial Center: Norm Matloff A computer science professor wrote free Linux and UNIX tutorials for independent research. In addition to presentations for beginners (including information to help you install Linux on your computer), it includes advanced information.
Complete beginner's guide: Linux is really everywhere. Mobile phones, cars, refrigerators, and Roku devices. It operates most Internet, scientific development supercomputers and the World Stock Exchange. But before Linux was able to run desktops, servers and embedded systems around the world, it was the most reliable, secure, and worry-free operating system. Learn more here.
Linux security for beginners: LinuxTopia's free course helps beginners navigate Linux security. Explore all your firewalls, wireless security, and more. A useful resource for those who want to learn how to use Linux safely and securely.
Linux Basic Concepts: Several additional tutorials to teach basic concepts are available.
YouTube Player for Learning LINUX:

YouTube's Linux Lecture Series
Another popular tutorial series is available for computer reps Eli.
The LINUX beginner tutorial is still here.
Linux Foundation of Dancourses
Free Linux Books

LINUX command line for William Shots. In addition to the basics of using the command line and writing shell scripts, the Linux command line includes chapters for many common programs and advanced topics that are used from the command line.
Linux Getting Started Guide: Linux is a much cheaper, faster, safer, and much more active community than Windows. As with so many things, adventure into a totally unknown world can seem a bit scary and at first it can be quite difficult. This Linux guide will help you navigate smoothly.
Introducing Linux: This is a step-by-step walkthrough of Machtelt Garrels.
Introduction to Linux: This guide is an overview of the Linux operating system that provides a hands-on introduction to new users at the end of each chapter as an exploration tour and getting started guide.
Beginner's Guide to Linux: This book will help you learn to experiment. We hope to have quicker and easier access than when we first encountered Linux.
User mode Linux: Jeff Dike authoring, Bruce Perens is a free ebook of the open source series. User Mode Linux (UML) is a virtual Linux system that runs on Linux. Technically, UML is a port from Linux to Linux.