> /dev/zero is not the right device to use. > Better is /dev/random or /dev/urandom > But they are not speed It makes no real difference - use the drives own secure erase feature if you want to be sure, otherwise you've got no guarantee that everything will be cleared - only the drive knows enough to do the job. -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines