LINUX Kernel
Back in the 18th century UNIX was developed. UNIX is said to be a mother of all the operating systems. LINUX is also based on UNIX. The best things about LINUX are: It is open source. It is totally FREE. One can modify it for customized usage. One can create ones own OS (Operating System) on Linux bases. It is more secure than Windows. If you have Linux, then you don't need to have any anti-virus. Linux has many applications, like windows. It's been improved in many years. It is the most favorite OS of developers. and so on... to be continued....