Maybe
for i in {1..9} ; do dd if=/dev/zero of=/dev/sdX ; done
just to be carefulOr /dev/urandom as if= value On Mon, May 3, 2021, 11:14 Johan Wevers <joh...@vulcan.xs4all.nl> wrote: > On 03-05-2021 15:39, Robert J. Hansen via Gnupg-users wrote: > > > and gave her drives a low-level format. > > I remember from the stone age (end 1980's begin 90's) that you could > low-level format a disk with the DOS command debug by calling some BIOS > routine by assembler routines. > > Modern harddisks don't allow that anymore. Should I assume that > "low-level format" in this case means something like > > dd if=/dev/zero of=/dev/sdX > > -- > ir. J.C.A. Wevers > PGP/GPG public keys at http://www.xs4all.nl/~johanw/pgpkeys.html > > > _______________________________________________ > Gnupg-users mailing list > Gnupg-users@gnupg.org > http://lists.gnupg.org/mailman/listinfo/gnupg-users >
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