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An operating system is a network controlled by servers that is put on a desktop, notebook or mobile device. An operating system is meant to be used to operate the device with software that is built into it. Some of the major operating systems in use today are mac, windows, and Linux. Each one comes with a different version and different updates with different uses. The purpose of these operating systems is to you navigate around the computer, with either text or using a G.U.I. Without an operating system you would not be able to navigate around the computer to be able to get to the places that you wanted to go to.
As I previously stated the three main operating systems are Linux, Mac, and Windows. The three all have differences. One difference would be what they are used on. The Mac OS, can only be used on apple computers and devices. Windows can be used on pcs and mobile devices such as window phones and window tablets. Linux can be used on most devices such as pc, mobile devices, and even game consoles. More differences would be how much they are used and how many different versions there are. Linux is the most little used at one to two percent of the earth’s population using it but has the most versions for use. Mac is the next used operating system with almost ten percent of the earth’s population using this one with less versions than Linux. Then there is Windows the most widely used operating system which has less versions than Linux but more the mac. Windows is the most preferred operating system out of all three. Mac OS, and Windows, are made by the same company while Linux is a free product able to download by anyone. Since Linux is free it has different developers. For example there is the Mac OS, And Mac OS X for apple, and there is windows vista and windows 7 for windows. But these are made by the same developers. With Linux it is different because

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