Not sure if this is the right forum for this question. If Returnil is enabled, are 3 (or 7 or 35) passes actually needed? I mean: with returnil enabled, I download a file, and then decide to delete it. Would the multi-pass erasing be undone by returnil when I reboot my PC? Would it be better just to normally delete it or just leave it there so that Returnil deletes it upon reboot?