[TUHS] hello, world

Wilko Bulte wkb at xs4all.nl
Wed Dec 28 10:20:34 AEST 2011


Quoting Sven Mascheck, who wrote on Wed, Dec 28, 2011 at 01:13:54AM +0100 ..
> Michael Davidson wrote:
> > --- On Mon, 12/26/11, Warren Toomey <wkt at tuhs.org> wrote:
> >  A question though: what command would "bring the system down"?
> > 
> > Well, if you are logged in as root the possibilities are almost endless, [...]
> 
> Sure.  I was just tempted to exaggerate this discussion with:
> "init 0, halt or shutdown".  But such commands had no been
> implemented even in 7th ed, yet :)

ISTR that starting another init has it's own interesting effects though :)

Wilko

> 
> I wonder if Warren rather had different issues in mind,
> which would lead to "unexpected" downs. The previously
> mentioned resource problems probably match this--not too
> suprisingly, because I always had the impression that Unix
> aimed at protecting processes from each other, not users.
> 
> I'd like to remind of an according, earlier, quite fitting
> discussion from DMR:
> 
> In "The UNIX Time-sharing System--A Retrospective"
> the paragraph "Security"
> http://cm.bell-labs.com/cm/cs/who/dmr/retro.html
> 
> -Sven
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--- End of quoted text ---



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