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Mainframe operating system: z/VM - IBM
As a control program, z/Virtual Machine (z/VM®) is a hypervisor because it runs other operating systems in the virtual machines it creates. Any of the IBM® mainframe operating systems such as z/OS®, Linux® for zSeries®, z/VSE™, and z/TPF can be run as guest systems in their own virtual machines, and z/VM can run any combination of guest systems.

VM (operating system) - Wikipedia
A given VM mainframe typically runs hundreds or thousands of virtual machine instances. VM-CP began life as CP-370, a reimplementation of CP-67, itself a reimplementation of CP-40. Running within each virtual machine is another, "guest" operating system. This might be:

What is a mainframe | IBM Z
At their core, mainframes are high-performance computers with large memory (RAM) and processors that process billions of simple calculations and transactions in real-time. The mainframe is critical to commercial databases, transaction servers and applications that require high reliability, scalability, compatibility and security – the core design values of the mainframe.

z/VM Operating System Virtualization Technology Platform | IBM
IBM® z/VM® is a highly secure and scalable virtualization technology for cloud infrastructure and for running critical applications on IBM Z® and LinuxONE™ servers. The IBM z/VM Continuous Delivery model enables clients to exploit new and innovative z/VM capabilities at their own pace.

VMware and the mainframe - CNET
Culture VMware and the mainframe. Why the path to reliable and efficient server virtualization will lead to the IBM zSeries mainframe.

Introduction to the New Mainframe: z/VM Basics
Introduction to the New Mainframe: z/VM Basics Lydia Parziale Edi Lopes Alves Eli M. Dow Klaus Egeler Jason J. Herne Clive Jordan Eravimangalath P. Naveen Manoj S Pattabhiraman Kyle Smith Understand introductory z/VM concepts Learn basic system administration tasks to manage your system Study z/VM performance,

IBM MAINFRAME: How to Re-logon after disconnecting ...
TSO/ISPF: Hi, Is there any way to logon the mainframe immediately after disconnecting (without logoff). Generally how much time it will take to Relogon? R's,...

IBM Z - Wikipedia
IBM Z is a family name used by IBM for all of its non-POWER mainframe computers from the Z900 on. In July 2017, with another generation of products, the official family was changed to IBM Z from IBM z Systems; the IBM Z family now includes the newest model the IBM z14, as well as the z13 (released under the IBM z Systems/IBM System z names), the IBM zEnterprise models (in common use the zEC12 ...

Move mainframe compute to Azure Virtual Machines ...
Move mainframe compute to Azure. 04/02/2019; 7 minutes to read; Contributors. In this article. Mainframes have a reputation for high reliability and availability and continue to be the trusted backbone of many enterprises.

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