Operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap, here they are listed alphabetically and many are listed on the List of operating systems by platform article. Contents: Top - 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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  • 'AmigaOS

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