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27More suitable for retrocomputing.stackexchange.com– AlexDCommented Feb 25 at 8:21
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DOS started with FAT12 and a maximum partition size of 16 MB., although I can't say that was the reason.– tdelaneyCommented Feb 25 at 16:33
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2Logical partitions has been a thing IBM has supported for decades with their mainframes, specifically, with MVS from 1974.– RamhoundCommented Feb 25 at 18:34
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1If you are doing research on the history of file systems why are you asking questions about the MBR? If you consider storage as a layered system with partition tables, file systems and files you are not operating on the right level.– r2d3Commented Feb 26 at 9:16
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1@Ramhound On mainframes and large servers, "logical partitioning" can refer to partitioning not just the storage, but the entire server: for example, you might be able to split a 8-CPU server logically into two 4-CPU servers that will be able to run entirely separate operating systems in parallel. But this question seems to be about storage partitioning specifically.– telcoMCommented Feb 26 at 10:35
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