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I might be asking a stupid question. Is there an OS image for mainframe similar to Linux and Windows? what does it mean GCP or a cloud platform says "can run a custom image of an application" ? Is it only within Linux and Windows flavors ? Please refer any learning links for me to understand the basics.

Example: https://cloud.google.com/security/shielded-cloud/creating-shielded-images

Arun
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  • Would you mind accepting the answer, if it answered your question. – phunsoft Apr 09 '21 at 12:32
  • The only way to legally run a z/OS system on the cloud at the moment is to purchase an Enterprise Edition of the Z Development & Test environment. It needs to be an Enterprise Edition, not a Personal Edition, since the PE works with a physical USB dongle for licencing, whereas the EE uses a licencing server which you could then run in the cloud as well. IBM is working on a cloud-style solution for renting z/OS systems, but it's not yet announced when it'll be launched or at what price. – finitud Apr 10 '22 at 09:27

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You need a license from IBM to run z/OS, and you must run it on an IBM approved platform. Approved platforms are IBM Z systems (and predecessors), and IBM zPDT environments.

Hercules is not an approved platform, and it is unlawful to run any recent IBM mainframe operating system on Hercules.

phunsoft
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