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 user." See also luser.