From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Tue, 11 Jul 2006 11:58:21 -0700
From: Roman Shaposhnik <rvs@sun.com>
Subject: Re: [9fans] Which thing was harder for u to grasp relating Plan 9?
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To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
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On Tue, 2006-07-11 at 20:52 +0200, Francisco J Ballesteros wrote:
> I=C2=B4m writing a book for the introductory course in OS at urjc, that
> we teach using Plan 9. Most of it is a a lot of generic introductory
> stuff about the system.
>=20
> I=C2=B4d love to know the top-10 of "hard-to-get" concepts about the sy=
stem,
> specially for new comers,
> to try to cover them.

  If you mean implementation concepts, then my list would
definitely include:

   0. the fact that devmnt.c is just that -- another dev*
      and how it functions.
   1. waserror & co.
   2. devdraw and how it multiplex everything internally
      without much help from rio.

Thanks,
Roman.