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2. Timeline of virtualization technologies - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_virtualization...

   IBM M44/44X, an experimental paging operating system, is in use at Thomas J. Watson Research Center. IBM announces the IBM System/360-67, a 32-bit CPU with virtual memory hardware (August 1965). 1966. IBM ships the S/360-67 computer in June 1966. IBM begins work on CP-67, a re-implementation of CP-40 for the S/360-67. 1967

3. Virtualization - Wikipedia

   en.wikipedia.org/wiki/Virtualization

   Virtualization began in the 1960s with IBM CP/CMS. [1] The control program CP provided each user with a simulated stand-alone System/360 computer. In hardware virtualization , the host machine is the machine that is used by the virtualization and the guest machine is the virtual machine.

4. VM (operating system) - Wikipedia

   en.wikipedia.org/wiki/VM_(operating_system)

   VM (often: VM/CMS) is a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible systems, including the Hercules emulator for personal computers.

5. Logical partition - Wikipedia

   en.wikipedia.org/wiki/Logical_partition

   IBM developed the concept of hypervisors (virtual machines in CP-40 and CP-67) and in 1972 provided it for the S/370 as Virtual Machine Facility/370. [2] IBM introduced the Start Interpretive Execution (SIE) instruction (designed specifically for the execution of virtual machines) in 1983 as part of 370-XA architecture on the IBM 3081, as well as VM/XA versions of VM to exploit it.

6. PowerLinux - Wikipedia

   en.wikipedia.org/wiki/PowerLinux

   Power-based IBM systems have built in virtualization capabilities derived from mainframe technology. On System p, this virtualization package is referred to as PowerVM. PowerVM includes virtualization capabilities such as micro-partitioning, active memory sharing and de-duplication, a virtual I/O server for virtual networks and storage, as well ...

7. z/VM - Wikipedia

   en.wikipedia.org/wiki/Z/VM

   z/VM is the current version in IBM's VM family of virtual machine operating systems.First released in October 2000, [2] z/VM remains in active use and development as of 2024. [3]