Resource Access Control Facility - meaning and definition. What is Resource Access Control Facility
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What (who) is Resource Access Control Facility - definition

STANDARD SECURITY PRODUCT INCLUDED IN THE Z/OS OPERATING SYSTEM
RACF; IBM Resource Access Control Facility

Resource Access Control Facility         
(RACF) IBM's large system security product. It originally ran only under MVS but has since been ported to run under VM. (1995-02-07)
RACF         
Resource Access Control Facility (Reference: IBM, MVS/ESA)
RACF         

Wikipedia

Resource Access Control Facility
== Introduction ==