Introduction

Linux is an Operating System just like Windows and Mac OS. One of the popular platform Android is also based on Linux Operating System. We are surrounded by gadgets or appliances which runs on Linux Operating System like Smartphones, Smart TVs (LG - who use WebOS, Samsung - use Tizen, Orsay OS, Sharp, HiSense, Philips and Panasonic - use FirefoxOS), Home appliances - Refrigerators. Even 500 fastest supercomputers runs on Linux.

There are several Linux Distributions, commonly called “Distros”.

• Red Hat Enterprise
• CentOS
• Ubuntu
• Fedora
• Debian
• Linux Mint

Linux Operating System is mainly used in servers. Most of the internet is powered by Linux servers, because Linux is fast, secure, and free!