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Re: forwarded message from Jeff Licquia



Henning Makholm <henning@makholm.net>:

> > > telnetd is a set of machine-language instructions. It doesn't actually
> > > have any capabilities to do anything.
> 
> > This misses the point entirely so I'll try stating it another way.
> > latex essentially runs in a virtual machine provided by tex the program.
> 
> My point is that there is no meaningful difference between "virtual"
> and "non-virtual" machines in this respect.

However, there is a relevant difference between a virtual machine such
as TeX or a browser's JVM that is intended to be secure, and a
(virtual or non-virtual) machine such as IA32 or the Linux ABI that is
not intended to be secure and supposed to be able to run a shell,
trash things, etc (at least if you have supervisor status or root,
respectively).

Edmund


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