On Sat, 2019-01-26 at 11:04 -0800, Samuel Sieb wrote: > On 1/26/19 2:47 AM, Patrick O'Callaghan wrote: > > On Fri, 2019-01-25 at 22:43 -0800, ToddAndMargo via users wrote: > > > On 1/25/19 9:38 PM, fred roller wrote: > > > > You can wipe your drive with: > > > > > > > > dd if=/dev/zero of=/dev/[device to be wiped] > > > > > > /dev/zero is the fastest I have found. > > > > All that does is set every bit to 0. Since magnetic domains have > > hysteresis, suitable equipment can recover the previous state at a > > physical level. That's why proper trashing takes several passes. > > Sure, but do you expect someone to find your hard drive and put that > much money and effort into extracting your data? For most people, it's > just that you don't want some random person finding your hard drive in a > second hand store and checking out your files. I don't "expect" anything, but without knowing the OP's use-case, none of us can say what's cost-effective. I merely pointed out that a single pass with /dev/zero is not proof against even commercial-grade recovery, let alone military grade. poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx