erasing patterns

BB's simple overwrite is not explained anywhere, why? Why no standardised erasing patterns, to ensure truer Data Sanitization:


Can anyone explain what happens why I enable he overwrite function with BB, how does it ensure the data cannot be recovered if I overwrite a file on a hard disk or usb stick?

I do think BB is a great solution for Linux, but how can I trust a functin that just says overwrite with no explanation of what is meant by this term, from a technical stance.

Under BB's preferences options why not enable users to choose standard secure erasing patterns like:

Gutmann method


DoD 5220.22-M

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