It's been invaluable to have a community to turn to when I need support. Every time I go to the forums, there's always someone willing to help out or share their experience.
[Dario Roig, University of Valencia]

.LRN documentation

Universities who have published their .LRN User Manuals

Manuales de Usuario de la Universidad Galileo.

General Technical .LRN (OpenACS) documentation

Alternately, you can go to /doc of your .LRN installation.