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What are some of the main features of MVS/XA?

April 26, 2017features main MVS XA

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What are some of the main features of MVS/XA?

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MVS/XA stands for Multiple Virtual Storage / Extended Architecture. MVS/XA uses 32 bits of addressing. This gives an address space of approximately 2 billion bytes. The extended architecture also consists of more sophisticated I/O channels for faster I/O. Also, a separate version of OS is required. One of the difference is that a program for MVS/XA can go up to 2 billion bytes. Programs running under MVS/SP can go up to 16 million bytes.