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SubjectRe: Dumping /dev/zero to the console


On Fri, 19 Jul 1996, Phillip wrote:

> On Thu, 18 Jul 1996, Paul Gortmaker wrote:
>
> >
> > Here is a neat trick to make your linux box essentially unusable:
> >
> > On linux console, even as a non-priv user, do a:
> >
> > % dd if=/dev/zero bs=1024k
> >
> > Now switch to another console (or even X) and try to do anything useful
> > and see how the box behaves. Same result with v1.2.13 and v2.0.7 kernel.
> >
> > Paul.
> >
> >
> >
>
> Uh, I just tried it and NOTHING special happened....

Another user on this machine did it, and it essentially crashed the machine.
I was forced to make dd executable only by root.

Michael Slater
aonline@access.tnet.com.au

>
> --------------------------------------------------------------------------------
> Wellcome to the next 3 levels.
> --------------------------- -----------------------------------
> pj22298@xx.acs.appstate.edu http://xx.acs.appstate.edu/~pj22298
>
>


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