There are many types of operating systems

And because the use of computers and their applications has become a life of need in various fields, it is very large and large, and leads to the demand for computers and computer applications to be opened in many ways to meet the specific nature and quality of the operating system. programs; each operating system uses only special functions and functions and operating systems in the computer world: DOS operating system: its abbreviation is Disk Operating System, which is one of the very old systems used to run many device programs, for example, In addition to IBM equipment, the system is also used to run IBM personal devices. The system is named after the company.

In 1981, the president of Microsoft Corporation Bill Gates (Bill Gates) developed the system, known as the developed system MS-DOS, the system depends on running direct text commands, and the system is single-task, it should be noted that this is Microsoft Core.

Operating system Linux (in English: LINUX): It is an open source system in most known and widespread and commonly used systems, it has a beautiful graphical interface and is simple, and has a lot of different versions And, it is characterized by high security and protection when used, you can modify it because it is a completely free system, usually used by protection engineers and general networks.

Windows operating system (English: Windows): This system is one of the most famous and famous operating systems, belonging to Microsoft International, the system started in 1985 AD, it is a graphics board that can help write commands in the DOS system In 1989, Microsoft released a separate operating system, called Windows 95, in 198, the company released a new version of the operating system, called Windows 98, and since then released many different versions of Windows, such as Windows 2000, Windows 2003, Windows 7, Windows. Vista, Windows 8 and Windows 10 are finally released. Windows is the most widely used operating system in the world. This is because it relies on a graphical interface system to simplify and simplify the user ’s work. In addition, it is the only system used to play video games, which makes it a large worldwide User base.

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