Re: /dev/zero

Guillaume Gimenez (ggimenez@prologue-software.fr)
Fri, 12 Apr 2002 17:12:06 +0200


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Samuel Maftoul a écrit:
Samuel> It's just zeroes, so it allows you to test raw write speed on any
Samuel> device:
Samuel> dd if=/dev/zero of=/dev/hda to test your performances of hda ...
Samuel> normally if I get it well, /dev/zero can't be you're bottleneck.
Samuel> Sam

Just to save Samuel's soul ;-)
the dd command supplied above will erase your primary hard drive

To see hard drive performances, hdparm -tT /dev/hda is better.

PS: Pas sympa Samuel

-- 
Guillaume Gimenez

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