RACF
E206668
RACF (Resource Access Control Facility) is IBM’s mainframe security system that controls and audits access to resources on z/OS environments.
All labels observed (2)
| Label | Occurrences |
|---|---|
| RACF canonical | 3 |
| Resource Access Control Facility | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1835188 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RACF Context triple: [z/OS, supports, RACF]
-
A.
RADIUS
RADIUS is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) services for users connecting to a network.
-
B.
RAC
RAC is the abbreviation for the Royal African Company, a 17th- and 18th-century English trading company heavily involved in the transatlantic slave trade.
-
C.
IBM Tivoli Access Manager
IBM Tivoli Access Manager is an enterprise security solution that provides centralized authentication, authorization, and access control for applications and resources across an organization’s IT environment.
-
D.
z/OS
z/OS is IBM’s 64-bit mainframe operating system designed for high-volume, secure, and reliable enterprise computing workloads.
-
E.
AIX
AIX is IBM’s proprietary Unix operating system designed for enterprise servers and high-reliability, scalable computing environments.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: RACF Target entity description: RACF (Resource Access Control Facility) is IBM’s mainframe security system that controls and audits access to resources on z/OS environments.
-
A.
RADIUS
RADIUS is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) services for users connecting to a network.
-
B.
RAC
RAC is the abbreviation for the Royal African Company, a 17th- and 18th-century English trading company heavily involved in the transatlantic slave trade.
-
C.
IBM Tivoli Access Manager
IBM Tivoli Access Manager is an enterprise security solution that provides centralized authentication, authorization, and access control for applications and resources across an organization’s IT environment.
-
D.
z/OS
z/OS is IBM’s 64-bit mainframe operating system designed for high-volume, secure, and reliable enterprise computing workloads.
-
E.
AIX
AIX is IBM’s proprietary Unix operating system designed for enterprise servers and high-reliability, scalable computing environments.
- F. None of above. chosen
Statements (64)
| Predicate | Object |
|---|---|
| instanceOf |
IBM software product
ⓘ
access control system ⓘ mainframe security product ⓘ |
| belongsToProductFamily |
z/OS
ⓘ
surface form:
IBM z/OS Security
|
| competesWith |
CA ACF2
ⓘ
CA Top Secret ⓘ |
| configurationInterface |
ISPF panels
ⓘ
TSO commands ⓘ batch jobs ⓘ |
| controlsAccessTo |
CICS regions
ⓘ
IMS regions ⓘ TSO logon ⓘ USS (UNIX System Services) resources ⓘ datasets ⓘ general resources ⓘ z/OS system resources ⓘ |
| dataStore | RACF database ⓘ |
| developer | IBM ⓘ |
| fullName |
RACF
self-linksurface differs
ⓘ
surface form:
Resource Access Control Facility
|
| integratesWith |
CICS Transaction Server
ⓘ
surface form:
CICS
IBM DB2 ⓘ
surface form:
DB2
IMS ⓘ LDAP (via RACF LDAP server support) ⓘ z/OS Communications Server ⓘ
surface form:
TCP/IP on z/OS
z/OS UNIX System Services ⓘ |
| operatingSystemFamily | IBM mainframe ⓘ |
| platform |
IBM MVS operating system family
ⓘ
surface form:
IBM MVS
OS/390 ⓘ
surface form:
IBM OS/390
z/OS ⓘ
surface form:
IBM z/OS
|
| primaryFunction |
access control
ⓘ
auditing ⓘ identification and authentication ⓘ security management ⓘ |
| providesFeature |
RACF database utilities
ⓘ
SMF-based auditing ⓘ centralized security administration ⓘ digital certificate management ⓘ event logging ⓘ password encryption ⓘ |
| securityModel |
discretionary access control
ⓘ
optional mandatory access control (via security labels) ⓘ role-based access control aspects ⓘ |
| supportsConcept |
Kerberos tickets
ⓘ
access lists ⓘ auditing and logging ⓘ class-based resource protection ⓘ digital certificates ⓘ discrete profiles ⓘ generic profiles ⓘ global access checking ⓘ groups ⓘ multilevel security ⓘ password policies ⓘ resource profiles ⓘ security administrator roles ⓘ security labels ⓘ special authorities ⓘ surrogate profiles ⓘ user IDs ⓘ |
| typicalUsers |
auditors
ⓘ
security administrators ⓘ system programmers ⓘ |
| usedFor |
compliance reporting on z/OS
ⓘ
regulatory security controls on mainframes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: RACF Description of subject: RACF (Resource Access Control Facility) is IBM’s mainframe security system that controls and audits access to resources on z/OS environments.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Resource Access Control Facility