What does ejecting a flash drive or SD card from a computer do, and what happens if you don’t?
In: Technology
Ejecting unmounts the drive from the file system. It ensures that no program is writing/reading data on the drive, so when you remove it no program will have issues and no files on the drive will be half-written.
If you remove it without ejecting odds are nothing will happen – most programs are smart enough to know this might happen and plan for it – but it is possible that files on the drive will become corrupted and unreadable.
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