This report will talk about the history of the operating system, the current development of the Open Source operating system (we are taking the Linux operating system) and the Windows operating system, the evolution of the operating system and the comparison between Open Source and proprietary systems such as Windows. Besides that, we will take an in-depth look at how the old OS is being replaced by the modern OS in this rapidly developing technological era on the evolution of OS parts. Here we will introduce a little about what operating system is, basic functions on operating system and some popular examples of operating system. When you turn on your computer, it's nice to be in control. It's easy to feel like a director in front of the screen. There are actually many things inside and the real man behind that manages those things is called the operating system (abbreviated as OS). The operating system is a software program that allows computer hardware and software to communicate with each other, control and manage the computer's memory and processes. The general purpose of an operating system is to run a program. It can also perform basic tasks such as receiving input, displaying output, storing and deleting files, multitasking nowadays, and controlling peripherals such as a mouse and keyboard. Without an operating system, a computer is useless because it allows us to communicate with the computer without knowing the computer's "language". The most popular operating systems right now are Microsoft Windows such as Windows 8 (released in 2012), Windows 7 (2009), Windows Vista (2007) and *Windows XP (Microsoft will stop supporting on April 8, 2014), Mac OS and Linux from Apple. While Microsoft Windows and Linux can be installed on standard personal computers, Mac OS can only run on Macintosh computers. The operating system can also ... middle of paper ......eaten to improve the code and share it within the community. It is computer software to which you are granted the license and right to use the software. Other users are prohibited from modifying, sharing, studying and redistributing. Source codes are not available. User All All Manufacturer Developed by the community. Source codes are available. Created by Microsoft but allowed others to ship their computers with Windows pre-installed. You need to buy for free Example Ubuntu, Fedora, Red Hat Linux, Desbian, Mandrake, Centos, Mandriva, Novell, Oracle Enterprise, SUSE Linux, Turbolinux. MS-DOS, Windows 1.0, 2.0, 3.0, 3.1, 4.0, Windows 95, 98, 2000, Windows ME, XP, Vista, Windows 7, Windows 8, 8.1Developer Linus Torvalds MicrosoftLanguages ​​Multilingual MultilingualUpdate Method Provided by Linux or community that edit the code. When updating Windows