Re: How to delete all partitions for a complete reinstall

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@xxxxxxxxxxxxxxxxxxxx> wrote:
· Tony Arnold <tony.arnold@xxxxxxxxxxxxxxxx>:

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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