Apple FileWare

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FileWare floppy disk drives and diskettes were designed by Apple Computer as a higher-performance alternative to the Disk II and Disk III floppy systems used on the Apple II and Apple III personal computers. The drive is named Apple 871 in service documentation,^[1] based on its approximate formatted storage capacity in kilobytes, but is most commonly known by their codename Twiggy, after the famously thin 1960s fashion model named Twiggy.