VM/370

E244635

IBM mainframe operating system operating system virtual machine monitor

VM/370 is IBM's pioneering virtual machine operating system that allowed multiple independent OS environments to run concurrently on System/370 mainframe hardware.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
VM/370 canonical	6
VM/XA	1
Virtual Machine Facility/370	1

How this entity was disambiguated

This entity first appeared as the object of triple T1923100 — 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: VM/370
Context triple: [IBM System/370, compatibleWith, VM/370]

A. IBM System/370
IBM System/370 is a family of IBM mainframe computers introduced in the 1970s that extended and modernized the System/360 architecture while maintaining backward compatibility.
B. IBM System/360
IBM System/360 is a landmark family of mainframe computers introduced in the 1960s that standardized computer architecture and revolutionized business and scientific computing.
C. OS/360
OS/360 is IBM's landmark mainframe operating system introduced in the 1960s for the System/360 family, known for pioneering modern concepts in batch processing, multiprogramming, and system software design.
D. IBM System/390
IBM System/390 is IBM’s family of 1990s mainframe computers that introduced 31-bit ESA/390 architecture and advanced enterprise computing features, forming the basis for later System z systems.
E. OS/390
OS/390 is an IBM mainframe operating system that evolved from the MVS family, providing robust batch and transaction processing, high reliability, and enterprise-scale workload management.
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: VM/370
Target entity description: VM/370 is IBM's pioneering virtual machine operating system that allowed multiple independent OS environments to run concurrently on System/370 mainframe hardware.

A. IBM System/370
IBM System/370 is a family of IBM mainframe computers introduced in the 1970s that extended and modernized the System/360 architecture while maintaining backward compatibility.
B. IBM System/360
IBM System/360 is a landmark family of mainframe computers introduced in the 1960s that standardized computer architecture and revolutionized business and scientific computing.
C. OS/360
OS/360 is IBM's landmark mainframe operating system introduced in the 1960s for the System/360 family, known for pioneering modern concepts in batch processing, multiprogramming, and system software design.
D. IBM System/390
IBM System/390 is IBM’s family of 1990s mainframe computers that introduced 31-bit ESA/390 architecture and advanced enterprise computing features, forming the basis for later System z systems.
E. OS/390
OS/390 is an IBM mainframe operating system that evolved from the MVS family, providing robust batch and transaction processing, high reliability, and enterprise-scale workload management.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	IBM mainframe operating system ⓘ operating system ⓘ virtual machine monitor ⓘ
abbreviationOf	VM/370 self-linksurface differs ⓘ surface form: Virtual Machine Facility/370
announcedBy	IBM ⓘ
architecture	virtual machine architecture ⓘ
basedOn	CP-67 ⓘ
category	IBM VM family ⓘ surface form: IBM virtualization technology mainframe virtualization ⓘ
component	Control Program (CP) ⓘ surface form: Control Program Conversational Monitor System (CMS) ⓘ surface form: Conversational Monitor System
designGoal	efficient sharing of mainframe resources ⓘ isolation between virtual machines ⓘ
developer	IBM ⓘ IBM Cambridge Scientific Center ⓘ
enables	multiple concurrent virtual machines ⓘ time-sharing of System/370 hardware ⓘ
feature	debugging and instrumentation facilities for guest OSes ⓘ full virtualization of System/370 hardware ⓘ interactive time-sharing via CMS ⓘ spooling ⓘ virtual card readers and punches ⓘ virtual disks (minidisks) ⓘ virtual printers ⓘ
influenced	IBM VM family ⓘ modern hypervisors ⓘ virtualization research ⓘ
introduced	early 1970s ⓘ
notableFor	allowing multiple independent OS environments to run concurrently on System/370 hardware ⓘ pioneering commercial virtual machine operating system ⓘ
predecessor	CP/CMS ⓘ
provides	virtual 370 instruction set to guests ⓘ
runsOn	IBM System/370 ⓘ
successor	IBM VM family ⓘ surface form: VM/ESA z/VM ⓘ surface form: VM/SP z/VM ⓘ surface form: VM/XA z/VM ⓘ
supports	CMS ⓘ DOS/VS ⓘ MVS ⓘ OS/360 ⓘ multiple guest operating systems ⓘ
supportsHardware	IBM System/370 virtual memory models ⓘ
supportsMode	multi-user guest operating system virtual machine ⓘ single-user CMS virtual machine ⓘ

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

IBM System/370 → compatibleWith → VM/370 ⓘ

z/VM → predecessor → VM/370 ⓘ

IBM 3033 → operatingSystem → VM/370 ⓘ

IBM 168 → operatingSystem → VM/370 ⓘ

IBM 3081 → operatingSystem → VM/370 ⓘ

IBM 3090 → runsOperatingSystem → VM/370 ⓘ

this entity surface form: VM/XA

VM/370 → abbreviationOf → VM/370 self-linksurface differs ⓘ

this entity surface form: Virtual Machine Facility/370

System R → operatingSystem → VM/370 ⓘ

All labels observed (3)

How this entity was disambiguated Show

Statements (45)

How these facts were elicited Show

Referenced by (8)

How this entity was disambiguated

How these facts were elicited