Why does deleted data stay on a HDD once written, waiting to be overwritten, as opposed to being removed when requesting deletion?

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Why does deleted data stay on a HDD once written, waiting to be overwritten, as opposed to being removed when requesting deletion?

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Anonymous 0 Comments

Overwriting files can take a lot of time, especially if the data to be overwritten is very large or spread out in many small pieces.

As such, it’s far faster just to erase a file table entry pointing to that data and move on.

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