This report will talk about the history of operating system, current development of Open Source operating system (we take Linux operating system) and system Windows operating system, operating system evolution and comparison. between Open Source and a proprietary system such as Windows. In addition to this, we will take an in-depth look at how the old operating system is replaced by modern operating system in this rapidly developing technological era on the evolution of the operating system part. Here we will introduce a little about what operating system is, basic functions on operating system and some popular operating system examples. When you turn on your computer, you feel like you're in control. It's easy like a director in front of the screen. In fact, there are a lot of things inside and the real man behind who manages these things is called the operating system (abbreviated as OS). The operating system is software 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 inputs, displaying outputs, retaining and deleting files, multitasking these days, and controlling peripherals such as mouse and keyboard. Without an OS, a computer is useless because it allows us to communicate with a computer without knowing the computer “language”. The most popular operating systems at present are Microsoft Windows like Windows 8 (released in 2012), Windows 7 (2009), Windows Vista (2007) and *Windows XP (Microsoft no longer supports April 8 2014), Apple Mac OS and Linux. .Although Microsoft Windows and Linux can be installed on a standard personal computer, Mac OS can only run on a Macintosh computer. The operating system can also ...... middle of paper ...... eaten to improve the code and share it within the community. Is computer software that has been licensed and given the right to use the software. Other users are prohibited from modifying, sharing, studying and redistributing. Source codes are not available. User Everyone Everyone Manufacturer Developed by the community. Source codes are available. Created by Microsoft but they allowed others to distribute their own computers with Windows preinstalled. Cost Free Need to buy 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 Either provided by Linux or by the community who modify the code. When updating Windows