Why pay for something that is available for free! Go on and indulge in the wonderful world of Linux with these online courses! Majority of free online Linux courses are not affiliated with universities but are intended for self-study and don’t offer any academic credit. Linux course materials on these sites comprise PDF, video and screenshots and content is normally intended for newbies of Linux systems. For all those looking to have a deeper know-how of the subject, here are some free Linux courses. Some of these are affiliated to big names as well.