VM-CP

Main article: VM (operating system)

VM-CP was the official name of the control program portion of VM/370, a re-implementation of CP/CMS for the IBM System/370. It was originally called CP-370. VM/370 was announced in 1972, when virtual memory was added to the System/370 series. A successor of this software is found in today's z/VM. See the article History of CP/CMS for details on the S/370 implementation.

Family tree

CP/CMS family relationships
→ derivation >> strong influence > some influence/precedence
CTSS
	> IBM M44/44X
	>> CP-40/CMS → CP[-67]/CMS	→ VM/370 → VM/SE versions → VM/SP versions → VM/XA versions → VM/ESA → z/VM
		→ VP/CSS
	> TSS/360
	> TSO for MVT → for OS/VS2 → for MVS → ... → for z/OS
	>> MULTICS and most other time-sharing platforms

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