best fedora solution to securely erase folders/clean free space?

Heinz Diehl htd at
Sat Mar 30 13:01:56 UTC 2013

On 30.03.2013, M. Fioretti wrote: 

> - shouldn't this be done several times, to make sure that whatever was
>   in the free space really is unrecoverable?

One single write/overwrite operation is sufficient. No need for more.

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