The usage share of operating systems is the percentage market share of the operating systems used in computers. Different categories of computers use a wide variety of operating systems, so the total usage share varies enormously from one category to another.
In some categories, one family of operating systems dominates. For example, most desktop and laptop computers use Microsoft Windows and most supercomputers use Linux. In other categories, such as smartphones and servers, there is more diversity and competition.
Information about operating system share is difficult to obtain, since in most of the categories below there are no reliable primary sources or agreed methodologies for its collection. Data for both mobile and desktop operating systems can be seen on the right, using information from Net Applications.
Read more about Usage Share Of Operating Systems: Desktop and Laptop Computers, Web Clients
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