> I've built a bootable CD for Sparc NetBSD 1.4.2, and I'm trying to
> install it on SPARCstation 4 which had previously had a NextStep OS
> installed on it and I need to rewrite disklabel which NS had put on the
> disk.  The Filesystem is 4.3BSD and I can't find a way to remove it so
> that NetBSD can be installed.

	dd if=/dev/zero of=/dev/rsd0c bs=512 count=2

should zero the first 2 blocks of the disk, thus wiping out the old label.
Hmm, you might only need to zero the first block.

J

-- 
                    My other computer also runs NetBSD
                          http://www.netbsd.org/