Mainframe Operating Systems

1. IBM   ibm

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CREATED: <2025-02-22 Sat 19:45>

[2025-02-22 Sat 19:45] – History of IBM mainframe operating systems - Wikipedia [2025-02-22 Sat 19:47] – Mainframe Operating Systems (OS) | IBM

1.1. z/OS

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CREATED: <2025-02-22 Sat 19:45>

[2025-02-22 Sat 19:48] – IBM z/OS operating system [2025-03-04 Tue 19:39] <- COBOL

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