dyrt/
dyrt/bin/
dyrt/data/MAIL/
dyrt/data/WIZ_ZONES/
dyrt/include/machine/
dyrt/src/misc/cpp/
Running through a mud is an important method of locating bugs, typos, etc.
You will be given 1/25 of the points you run in levels when you wiz.  
(eg. if you run 210000 points, you would receive 1/25 of that which is 8400 
levels plus your free 1000, giving you a level of 9400)