How to delete all partitions for a complete reinstall

[Eric Hanchrow]

>>>>> "Kevin" == Kevin Zhao <klzhao at gmail.com> writes:

    Kevin> I wonder which commands (fdisk -xxx?  etc) can be used if i
    Kevin> boot using ubuntu live cd.

I would use

        $ dd if=/dev/zero count=512 bs=1 of=/dev/hda

Change the /dev/hda as appropriate.

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