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What does Z/OS stand for? 

What does Z/OS mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: Z/OS.

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z/OS

latest operating system in the OS/360 lineage

Computing » Software -- and more...

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z/OS

OS/360 operating system version

Computing » General Computing

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z/OS

zSeries 900 Operating System

Computing » Software

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What does Z/OS mean?

Z/OS
z/OS is a 64-bit operating system for IBM z/Architecture mainframes, introduced by IBM in October 2000. It derives from and is the successor to OS/390, which in turn was preceded by a string of MVS versions. Like OS/390, z/OS combines a number of formerly separate, related products, some of which are still optional. z/OS has the attributes of modern operating systems, but also retains much of the older functionality originated in the 1960s and still in regular use—z/OS is designed for backward compatibility.

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    DOS
    A Denial of Service
    B Distributed by Ordinary Sports
    C Death of Services
    D Deal or Slide

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