After Windows, Linux is one of the most popular operating systems. It is an open source that is completely free. It could be the best reason for liking Linux. The OS is more like UNIX. Linux was introduced in 1991. Since then it has been gone through many changes to improve user's experience. Many popular applications Openstack and OpenShift work smoothly on Linux. If you are interested in learning Linux, join AP2V, a leading Linux training institute in Noida. It imparts comprehensive knowledge of not only Linux but also its related applications.