:real operating system: n. The sort the speaker is used to. People
from the BSDophilic academic community are likely to issue comments
like "System V? Why don't you use a *real* operating
system?", people from the commercial/industrial UNIX sector are
known to complain "BSD? Why don't you use a *real*
operating system?", and people from IBM object "UNIX? Why don't
you use a *real* operating system?" See {holy wars},
{religious issues}, {proprietary}, {Get a real computer!}
-- The AI Hackers Dictionary