Essay About Back Bone Of The Computer System And Operating Systems

Operating Systems
Operating are the back bone of the computer system and with out them all you have is a box full of chips, wires, memory cards and hard drives, but once you add that operating system the magic begins. There are many operating systems out some for computers, phones, tablets and many other devices. But the three I will be covering will be UNIX, Mountain lion and my personal favorite Windows. Well to start I will talk about UNIX it is a multitasking multi-user computer operating system originally developed in 1969 by a group of AT&T employees at bell labs. And it was first developed in assembly language, but in 1973 it was mostly recorded in C. During the late 1970 and early 1980s, the influence of UNIX in academic circles led to large scale adoption of UNIX. Today in addition to certified UNIX systems there are other UNIX like systems out there such as Minix, Linux, and BSD are commonly encountered. UNIX has laid the foundation for many operating systems. Such as Apples operating system Mountain lion (version 10.8) which is the ninth big release of Operating system X aka Mac OS X. July 25, 2012 apples Incs desktop and server operating system for Macintosh computers, OS Mountain Lion was released and with it came new features such as notes, reminders that were separate from mail and Calendar in addition to iOS features from first versions. And on September 19, 2012 an updated version was released with added features such as Facebook. Mountain Lion has received positive reviews which okay I guess. But now Im going to talk about the most popular and widely used Operating System of them all Windows. In 1983 , Microsoft announced the development of windows , a graphical user interface (GUI) for its own operating system (MS-DOS) , which had been used by IBM PC and compatible computers since 1981. And this product has changed from a GUI product to a modern operating system over two families of design, each with its own code base and default file system. Out