Linux is everywhere; on your phone, in your satellite receiver, in your car, even in your refrigerator… And it runs most of the Internet, because most web servers do run Linux! Learn more about Linux with these free online courses and tutorials.
Free Linux Training Online – Linux Foundation
Introduction to Linux – edX
Back to Basics: Linux Fundamentals – Novell
UNIX/Linux Tutorial for Beginners – University of Surrey
Technical resources for Linux programmers and system administrators – IBM
Linux Basic Concepts Tutorials – Tutorialspoint.com
Linux Security for Beginners – Linuxtopia.org
File and service sharing – IBM
Norman Matloff’s Unix and Linux Tutorial Center – University of California at Davis
The Linux Effect: 20th Anniversary (Podcast) – Open University
Free online linux training sites – University of South Carolina
Sites Offering Free Linux Courses Online – Study.com
Online Linux Training Videos – CBT Nuggets
Free Online CompTIA Linux+ Certification Training Class
Taken from: http://www.itrunsonlinux.com/trainingcourses/