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What does ZOS stand for? 

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

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ZOS

Osorno, Chile

Regional » Airport Codes

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ZOS

Zero Offset Disc Brake

Miscellaneous » Automotive

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ZOS

Zone Of Saturation

Academic & Science » Academic Degrees

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ZOS

Zoster (Shingles) Vaccine

Medical » Hospitals

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ZOS

Zip Output Stream

Computing » IT

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ZOS

FRANCISCO LEÓN ZOQUE: a language of Mexico

Regional » Language Codes (3 Letters)

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ZOS

Zero-Outage Scheduler

Computing » Networking

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ZOS

Zelgadis Obsession Syndrome

Medical » Physiology

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ZOS

Zone of Separation

Miscellaneous » Unclassified

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What does ZOS mean?

zos
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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    NESW
    A Near Episode Seventy Woohoo
    B Neat Elf Sleigh Workers
    C North, East, South, West
    D No Eating Shredded Clams

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