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GC - Garbage Collection

Similar to defrag on a PC. The archive space of a Flash ROM chip is filled sequentially. Files that are removed from the archive by the user are not actually deleted, they are just marked as deleted. When the archive fills up, the garbage collection occurs and all the things marked for deletion are actually erased while the things that are still in the archive are rearranged to the start of the archive space.

Quotable Quotes:

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