Re: Direct access to hardware

From: Horst von Brand (vonbrand@sleipnir.valparaiso.cl)
Date: Tue Jul 25 2000 - 21:28:30 EST


James Sutherland <jas88@cam.ac.uk> said:

[...]

> A vendor supplied bootdisk is completely OS neutral, since the OS is out
> of the equation. I could use that bootdisk whether my main OS is Linux,
> NT, FreeBSD, Netware, whatever I want.

Great! Just teach my SPARC ultra to boot it. Or some Alpha machine. How
about flashing a SCSI disk, which can be the very self same disk on a Mac, a
PC, an AIX machine, a HP, SPARC, SPARCultra, ...

Not all the world's a VAX^WPC...

[...]

> It's dangerous - and the only legitimate use of this "feature" is one
> which shouldn't be done from within Linux in the first place.

dd(1) is also dangerous. echo(1) can be used to screw up a disk...

-- 
Horst von Brand                             vonbrand@sleipnir.valparaiso.cl
Casilla 9G, Vin~a del Mar, Chile                               +56 32 672616

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