CP-40 was a research precursor to CP-67, which in turn was part of IBM's then-revolutionary CP[-67]/CMS – a virtual machine/virtual memory time-sharing...

CP-67 is a hypervisor, or Virtual Machine Monitor, from IBM for its System/360 Model 67 computer. CP-67 is the control program portion of CP/CMS, a virtual...

reimplementation of CP-40/CMS for the IBM System/360-67, and the primary focus of this article. Finally, CP-370/CMS was a reimplementation of CP-67/CMS for the...

opening" for Concurrent CP/M-86. On the IBM PC, however, at US$240 per copy for IBM's version, CP/M-86 sold poorly compared to the US$40 PC DOS; one survey...

one-off IBM CP-40 research system, which began production use in January 1967 and became the first version of the IBM CP/CMS operating system. CP-40 ran on...

developed as part of IBM's CP/CMS operating system, which went into production use in 1967. CMS is part of IBM's VM family, which runs on IBM mainframe computers...

IBM CP-40 system that was being independently developed at the Cambridge Scientific Center at about that same time. The chief difference from CP-40 was...

covers the History of CP/CMS — the historical context in which the IBM time-sharing virtual machine operating system was built. CP/CMS development occurred...

both suggesting IBM's PL/I; and IBM's CP/CMS operating system, which Kildall had used when working at the NPS. This renaming of CP/M was part of a larger...

customized CSC S/360-40 and the CP-40 design International Business Machines Corporation, CP-67/CMS, Program 360D-05.2.005, IBM Program Information Department...

system", IBM Journal of Research & Development, Vol. 25, No. 5 (September 1981), pp. 483–90, PDF ― perspective on CP/CMS and VM history by the CP-40 project...

known as CP/CMS. CP/67 was developed outside the IBM mainstream at IBM's Cambridge Scientific Center, in cooperation with MIT researchers. CP/CMS eventually...

it was later appropriated by the CP-40 team to replace their earlier term pseudo machine. Unlike CP-40 and later CP/CMS control programs, M44/44X did...

systems. IBM's expectation proved correct: one survey found that 96.3% of PCs were ordered with the $40 PC DOS compared to 3.4% with the $240 CP/M-86. Over...

Time-Shared BASIC HP 3000 series IBM CALL/360, CALL/OS - using IBM System/360 Model 50 IBM CP-40 → CP-67 → CP-370 → CP/CMS → VM/CMS IBM TSO for OS/MVT → for OS/VS2...

be run in isolation. This approach was pioneered in 1966 with the IBM CP-40 and CP-67, predecessors of the VM family. In hardware-assisted virtualization...

be run in isolation. This approach was pioneered in 1966 with the IBM CP-40 and CP-67, predecessors of the VM family. Examples outside the mainframe field...

IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series...

the official family was changed to IBM Z from IBM z Systems; the IBM Z family now includes the newest model, the IBM z16, as well as the z15, the z14,...

his development of the CP/M operating system, an early multi-platform microcomputer OS, to which the later MS-DOS used on the IBM PC has many parallels...

leader of the first full virtualization hypervisor, the IBM CP-40, which later developed into IBM's highly successful line of mainframe VM operating systems...

support virtual memory: IBM M44/44X in the early 1960s; CP-40 from 1964 to 1967; CP-67 from 1967 to 1972. The company even released CP-67 without warranty...

The IBM System/360 Model 40 was a mid-range member of the IBM System/360 family. It was announced on April 7, 1964, shipped in 1965, and withdrawn on...

program of IBM's CP/CMS operating system. It was first demonstrated with IBM's CP-40 research system in 1967, then distributed via open source in CP/CMS in...

The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the...

was later renamed the IBM Scientific Center. It is most notable for creating the CP-40 and the control program portions of CP/CMS, a virtual machine...

CP/CMS (Control Program/Cambridge Monitor System) and successors on IBM S/360, S/370, and successor mainframes CP-40/CMS (for System/360 Model 40) CP-67/CMS...

processors. IBM developed the concept of hypervisors in their CP-40 and CP-67, and in 1972 provided it for the S/370 as Virtual Machine Facility/370. IBM introduced...

system using this concept was IBM's CP-40, the first (1967) version of IBM's CP/CMS (1967–1972) and the precursor to IBM's VM family (1972–present). With...

IBM 7340: IBM 7070/IBM 7074 hypertape (7074 only) IBM 7400: IBM 7070/IBM 7074 Printer IBM 7500: IBM 7070/IBM 7074 Card Reader IBM 7501: IBM 7070/IBM 7074...