z/OS

A highly secure and scalable operating system for running mission-critical applications

Unix-like operating system · by IBM · ibm.com

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What z/OS’s own pages say

What it says it doesA highly secure and scalable operating system for running mission-critical applications ibm.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.