Add operating system content (#2475)

content/roadmaps/102-devops/content/102-managing-servers/100-operating-system/readme.md

@@ -1 +1,11 @@
-# Operating system
+# Operating system
+**An Operating system serves as a bridge between a computer's user and its hardware. An operating system's function is to offer a setting in which a user can conveniently and effectively run programmes.**
+In simple terms we can say that and Operating System (OS) is an interface between a computer user and computer hardware.
+An OS permits software programmes to communicate with a computer's hardware, The **kernel** is the name of Piece of software that houses the fundamental elements of **Operating System.**
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.javatpoint.com/os-tutorial'>All you need to know about OS.</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/operating_system/os_overview.htm'>Learn Operating Systems</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/introduction-of-operating-system-set-1/'>Operating Systems tutorials.</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=pVzRTmdd9j0'>What are Operating Systems?</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=vBURTt97EkA&list=PLBlnK6fEyqRiVhbXDGLXDk_OQAeuVcp2O'>Operating Systems!</BadgeLink>