[ale] Understanding dd and/or /dev/zero

Danny Cox danscox at mindspring.com
Tue Jan 11 18:07:15 EST 2005


Jason,

On Mon, 2005-01-10 at 23:22 -0500, Jason Fritcher wrote:
> > 	No, as I said, just another data point.  1 MB is lots bigger than 512,
> > so I thought we'd just see if it made a difference.
> 
> Look back at the dd command again. You put bs=1024M. Certainly alot more
> than just 1 MB. :)

	Picky, picky, picky.  Do you *really* think that dd knows the
difference between 1K and 1M?  Sheesh!

	;-)

	You're correct, of course.  I MEANT 1024K.  'way back when, I bet dd
only knew B (blocks) and K (1024).  I started using Unix with Edition 7.
Whups!  Showing my age again!

-- 
kernel, n.: A part of an operating system that preserves the
medieval traditions of sorcery and black art.

Danny



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