What Is Linux ?

Linux is an FREE operating system. It was developed by Linus Torvalds when he was student at University of Helsinky, Writing Kernel from scratch and from publically available software. Then he released Kernel - The core program to his friends and community of hackers on the Internet and asked them to enhance it.

Thousands of developers contributed to the Kernel, and Linux became stable, Secure and Certified operating system.

Most popular Linux distributions (Linux OS is also called as Distro / Distrubution) are CentOS - Community Enterprise Operating System, RHEL - Red Hat Enterprise Linux and Ubuntu - Desktop Version.