How to remove bootloader from a slice

[Gary W. Swearingen]

Tobias Roth <randomiadgf at fsck.ch> writes:

> I am trying to remove a bootloader accidentally installed on ad0s3.
> I tried overwriting it with fdisk -B -b /boot/boot0 -3 but that didn't
> have any effect. And anyway, I'd rather see it gone than
> replaced with the FreeBSD bootloader.
> boot0cfg doesn't seem to be able to act on slices alone. That leaves
> dd, but as I am not sure how to do it correctly, I thought I'd rather
> ask first.

Check out the bsdlabel manpage (esp. -B and -B example).

BTW, your "fdisk" command only affected the MBR and the -3 was ignored
because you didn't tell it what to do with the partition table's third
entry.