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How to recover an overwritten file?


Patkos Csaba
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Overwritten

if that the case, for any file system, this is the end, is it not?

 

Heard of recovery that can look at the remanant magnetic field so even if file is overwritten then there is still something there. Do not know if this is a folk story! I suppose the magn field takes more room than is really necessary for 1 bit, so with the right magnetic probe you can do some work looking around where each bit is.

 

Link to reiser look excellent

 

Was going to suggest dd, ddrescue and foremost

(in the sense that 1st thing to do is to make a backup)

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I use a recovery service for data that I cannot recover in simple ways. The service can get anything that has not been obliterated by a write. Even a format and partition can be recovered, as long as the drive was not zeroed in the process. ;) (That is why, when a client asks for full erasure of a drive, I zero the entire drive.)

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