How to delete all partitions for a complete reinstall
ZHAO Keliang Kevin
cs_zkx at stu.ust.hk
Wed Aug 16 16:36:57 UTC 2006
Hah, Thank you guys for the help and the discussion on the interesting
dd issue. I learned dd before but hardly used it. Now you make me
recall that it can fill MBR with 0s so easily.
But does filling MBR with 0 mean that my harddisk becomes
partition-less and other programs will be cheated and believed that
there is nothing on the disk?
Regards,
Kevin
On 8/16/06, Alexander Skwar <listen at alexander.skwar.name> wrote:
> · Tony Arnold <tony.arnold at manchester.ac.uk>:
>
> > On Tue, 2006-08-15 at 09:11 -0700, Eric Hanchrow wrote:
> >> As you can see, dd with bs=1 took 2.231s. With bs=512, it took
> >> 0.011s.
> >>
> >> And how much time have you all spent fussing over which way is faster?
> >
> > I was just keen to improve my knowledge of the dd command and to satisfy
> > my insatiable curiosity about all things Linux! And the discussion has
> > been quite useful in doing just that.
>
> Further, contrary what to what Eric is trying to imply, that's
> not just an "academical" discussion. Write a 100MB file with
> bs=1 and with bs=100mb (or better: with 8k; I seem to remember,
> that 8k gives best performance).
>
> But I suppose his comment was made just because of a lack
> of knowledge on the side of Eric.
>
> Alexander Skwar
> --
> Die Menschen sind ihrer Zeit ähnlicher als ihren Vätern.
> -- Heinrich Leberecht Fleischer
>
>
>
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--
Kevin ZHAO Keliang
Department of Computer Science and Engineering
Hong Kong University of Science & Technology
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