Is It Possible To Learn Linux Online For Free?

Yes, it is possible to learn Linux online for free. You can log on the websites on the Internet which have free Linux tutorials. There is a Linux guide for beginners which teaches you the fundamentals of Linux, such as installing the Linux operating system, using the command shell, configuring hardware and becoming a super user.
In addition to this, there is a course which is known as Learn UNIX at DevDaily.com (which is offered by the UNIX Department at Developers Daily). It offers free training materials, HOWTO articles and the learn UNIX by example education section.

You could also log on to Linuxassembly.com and take the tutorials. When you visit the Linuxassembly.com website, you will not only be able to take online tutorials in Linux, but you will also get documentation, resources and additional information on assembly programming under Linux or UNIX operating systems. There is also a website called The Linux Cookbook.

Linux is a very detailed system and I don't suppose it is possible to learn the entire system online. There are quiet a few online web-sites which offer basic tips and guidance to learn Linux.

These tips are very basic, it is recommended that you refer to the various different books available on Linux to learn and study the system in detail. Many institutes also offer courses in learning and using Linux. Linux basically is an Unix-like computer operating system. Linux was mainly developed between 1984 and 1991 under the GNU project.  

Post the 1990s Linux has attained considerable support from companies like IBM, Sun Microsystems, Hewlett-Packard and Novell Inc. Linux is an excellent example of liberated software and open source expansion.