Is UNIX(TM) Multi-User?

[Doug Gwyn]

In article <365 at pigs.UUCP> haugj at pigs.UUCP (Joe Bob Willie) writes:
>is unix REALLY a multi-user operating system?  or does it just act that way?

If it looks like a duck, walks like a duck, quacks like a duck, ...
If you don't define your terms, how are we expected to be able to
understand your question?  The answer has to be yes, a multi-user
OS really is a multi-user OS.

>i recall reading once that dennis didn't consider unix
>to even be an operating system.

This is a funnier UNIX joke than 99% of the ones recently posted.