Or consider the IBM Mainframe and z/OS Operating Systems - protected memory and paging together - also privileged programs vs. application programs, also prefetched programs vs loaded on demand programs.
Mike Hines Mainframe Systems Programmer ----------------------------------- Michael S Hines [EMAIL PROTECTED] _______________________________________________ Secure Coding mailing list (SC-L) SC-L@securecoding.org List information, subscriptions, etc - http://krvw.com/mailman/listinfo/sc-l List charter available at - http://www.securecoding.org/list/charter.php