defend from -> :() { :&:; } ;:

[Mike Jeays]

On October 22, 2007 03:58:35 pm Rolf G Nielsen wrote:
> Danielisz Laszlo wrote:
> > Please do not try to execute this: :() { :&:; } ;: on your BSD machine.
> > I ask all who already tried it how to defend from this?
> >
> >
> >
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> What does it do?

It is easier to understand when you replace the ":" by a more conventional 
subroutine name.

myproc () {
  myproc &
  myproc
}

myproc

It recursively generates useless processes that clog up the machine. Mine 
ground to a halt and froze after a few seconds.




-- 
Mike Jeays
http://www.jeays.ca