I just wrote a "Code Walkthrough" for the SMAUG codebase, which is
closely enough descended from Diku that it should still be useful
reading for anyone in the Diku tree. What the walkthrough does is it
provides a high-level, birds-eye view of the backbone of what makes
the SMAUG universe work. Hope you enjoy it...
http://smaugcodesnippets.blogspot.com/2008/09/smaug-code-server-code-walkthrough.html
-Valcados