This one's in the FAQ (http://www.macbsd.com/macbsd/macbsd-docs/faq/faq.html)

The problem is that you are probably still in single-user mode.  Type 
exit and you will go multi-user.

Later.

-- 
Colin Wood                                      ender@is.rice.edu
Consultant                                        Rice University
Information Technology Services                       Houston, TX