How It Works: File Deletion Doesn't Actually Delete Files

Gamers Nexus: "I previously mentioned in the "how to recover a deleted document" guide that recovering files is exceedingly easy provided the hard drive hasn't yet overwritten the territory previously occupied by the content. Why, though, does deleting a file leave it recoverable? This quick guide walks through the logic of how file deletion works in Windows and on consoles."

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Lelldorianx2410d ago

Contrary to popular belief, consoles run just as much of an OS layer as PCs do, and since that OS layer is logically equivalent/similar to the way Windows works, we know that deleted files from consoles can be recovered in a similar fashion as they can on a PC.

This means deleted save games can be restored, given the right utilities. All you'd have to do is connect it to a computer and run some data mining/recovery programs.

Dan502410d ago

This is why you run Eraser on your PC. It ERASES and doesn't just delete. ^_^

DwightOwen2410d ago

Um, no. It doesn't.

It OVERWRITES the space previously occupied by the deleted file (several times, if you wish) with binary data, making it unrecoverable. Did you even READ the article? You cannot "erase" files, ever. PERIOD.

Lelldorianx2410d ago

Dwight's correct. All files remain permanently embedded on the platters - residual magnetization is even recoverable by experts. Eraser just attempts to hide it, but all temporary contents remain.

Pushagree2410d ago

If you can recover deleted data, then why does deleting free up HDD space? Very confused here.

MerkinMax2410d ago

I think it allows said space to be reallocated. Don't quote me on that one though.

mayberry2410d ago

when you hit "delete" on your hdd, it tells the pc or whatever device that has the hdd, that the file selected is available to be "overwritten", so the file is technically still there, it just waiting to be overwritten. until that happens, it can be "recovered".

Lelldorianx2410d ago

As stated clearly in the article, it virtually demarcates the file as overwritable. It is still in tact until overwritten with new data.

Epsilon122410d ago

useful info for sure my man, keep em comin!