Python Operating System???

[Paul Rubin]

mike at hobbshouse.org (Michael Hobbs) writes:
> The problem when using Python instead of C for OS development is that
> C was *specifically designed* to create an OS, while Python was designed
> for completely different purposes. If you want to write an OS, it would
> be wise to use a language that is suited for that purpose. If you
> dislike C so much and prefer Python so much more, your first step should
> be to design a Python dialect that is more appropriate for writing OS's.

But I thought Python was an all-purpose language.  After all, OS's
have been written in Lisp before too.