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IBM z/OS

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What is IBM z/OS?

IBM z/OS® is an operating system (OS) for IBM Z® mainframes, suitable for continuous, high-volume operation with high security and stability. It is designed to meet organizational requirements to improve performance for mission-critical workloads and meet future challenges.


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Products that are considered exceptional by their customers based on a variety of criteria win TrustRadius awards. Learn more about the types of TrustRadius awards to make the best purchase decision. More about TrustRadius Awards

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What is IBM z/OS?
IBM z/OS® is an operating system (OS) for IBM Z® mainframes, suitable for continuous, high-volume operation with high security and stability. It is designed to meet organizational requirements to improve performance for mission-critical workloads and meet future challenges.