MVS/XA -->
Multiple Virtual Storage		computing dictionary

<operating system> (MVS) Release 2 of OS/VS2, called MVS because it had multiple 16 MB virtual address spaces, in contrast to SVS. MVS ran on the IBM 390 series mainframes. It became MVS/SP, then MVS/XA (with 31-bit addressing) and then MVS/ESA.

MVS/Open Edition (MVS/OE), aimed at the growing open systems market, added TCP/IP and Unix support in an MVS address space, allowing users to run IBM, CICS-type applications, batch applications and Unix.

MVS/ESA was repackaged as OS/390 as a marketing exercise but it's basically the same thing.

Acronym: MVS/XA

(01 Apr 1999)

multiple universal naming convention provider, multiple value < Prev | Next > multiple vision, multiplexer, multiplexing

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