1. A commercial user. One who is paying *real* money for his
computer usage.
2. A non-hacker. Someone using the system for an explicit
purpose (a research project, a course, etc.) other than pure
exploration. See
user. Hackers who are also students may
also be real users. "I need this fixed so I can do a problem
set. I'm not complaining out of randomness, but as a real