What is the difference between Erase, Initialize, and Format?

* Erase - Erases driver and directory. Does not erase raw data on the drive, but removes any path to that data.* Initialize - Erases driver and directory and reinstalls the driver and new directories. Does not erase raw data on the drive, but removes any path to that data.* Format - Rewrites block definitions. Erases ALL data on the drive.

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