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OPERATING SYSTEMS Operating systems are the programmes that create environment which enable the various programmes to run on a computer. That is why they are also referred to as platforms. The programmes that run on these platforms can range from simple office automation softwares that enable us to do wordprocessing to games and also device drivers. All major companies make their software for multiple platforms. By platform we mean the base environment that enables the communication between the onboard devices like the hard-disk, memory, various ports (input/output) and the functions it will carry out using other programmes that will run in that environment. For example if we look at Microsoft which makes the MS Office software that is used by most personal computers. They make MS Office for not only their own operating system namely Windows but also for MAC and also for UNIX / LINUX. The function of the Operating system...

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