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help2002

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 UWA week 35 (2nd semester, week 6) ↓
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I was just wondering; files are brought from storage to RAM for read/write operations (I think?), and so if a program crashes, or you remove an external drive without ejecting it 'properly', then you can experience data loss. on macOS, I can remove my power cable midway through editing a document and, when I reboot, the doc opens without any data loss. similarly, I can open a PDF from a USB, eject the USB 'improperly' before saving the PDF, but then later on I can retrieve that PDF (in Preview, 'open recent'- actually I haven't tried this for a few years so it might not work anymore). How does it do it? is this because of their memory/storage hybrid sharing feature?

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