Oracle the | = O = | oriental food

Orange Book n.

The U.S. Government's (now obsolete) standards document "Trusted Computer System Evaluation Criteria, DOD standard 5200.28-STD, December, 1985" which characterize secure computing architectures and defines levels A1 (most secure) through D (least). Modern Unixes are roughly C2. See also crayola books, book titles.

Oracle the | = O = | oriental food