Re: [Trisquel-users] Erasing Harddrive.

[blade . vp2020]

> 'shred' is the best solution. It writes random data instead of zeros. By  
only writing zeros (as in 'dd if=/dev/zero of=/dev/sda'), expensive  
equipments
> can still recover some data (because writing a zero on top of a zero leads  
to a "magnetic state" that is closer to zero than writing zero on top of a  
one).
but you can writes random data instead of zeros useing dd

dd if=/dev/random of=/dev/sda