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OS/360

The operating system for the IBM System/360, introduced in 1964. OS/360 was later released in two versions: OS/MFT (Multiple Fixed Transactions) supported multiple programs that used fixed memory regions, and OS/MVT (Multiple Variable Transactions) supported varying program sizes. OS/MFT and OS/MVT were later enhanced for virtual storage and became OS/VS1 and OS/VS2. OS/VS2 evolved into MVS. See System/360 and MVS.



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orphan linkOS/390
orthogonalOS/400
orthophotographOS/8
OSOS-9
OS 10OS/9000
OS/2OS agnostic
OS/2 for WindowsOS hardening
OS/2 PMOS virtualization
OS/2 WarpOS X
OS/2 Warp ConnectOS X Photos

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