Saturday,26th July 2008 UTC

On this page about Z/OS:

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• IBM Mainframe computer operating systems (34)
• IBM operating systems (9)

Encyclopedia: Z/OS

z/OS is a 64-bit server operating system from IBM. It is the successor to the IBM mainframe operating system OS/390, combining MVS and UNIX System Services (a POSIX-compliant mainframe implementation of UNIX formerly known as MVS Open Edition, or OpenMVS).

Translations

How to say "Z/OS" in other languages:

	(Japanese)	Z/OS
	(German)	Z/OS
	(Spanish)	Z/OS
	(French)	Z/OS

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MVS/XA

MVS/XA stands for MVS/Extended Architecture. This was a version of z/OS, which supported 31-bit addressing. It was vailable only on the high-end 43xx, and 308x and later ranges, and was replaced by MVS/ESA, then OS/390 and later z/OS...

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ISPF

ISPF (Interactive System Productivity Facility) is a tool set for the IBM z/OS (MVS, OS/390) operating system for mainframe computers. It includes a screen editor, the user interface of which was... to manipulate z/OS data sets via its PDF (Product Development Facility...

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MFT

MFT is an early System/360 operating system. It stands for Multiprogramming with a Fixed number of Tasks . It was intended to serve as a stop-gap until MVT became available in 1967. It is an ancient forerunner of z/OS. See Also : OS/360...

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SMF

SMF is the abbreviation for S ystems M anagement F acility. It is used to collect and record system and job-related information on z/OS. SMF is the IATA Airport Code for Sacramento International Airport, California. SMF is an abbreviation of Standard MIDI file...

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Time Sharing Option

Time Share Option (TSO) is an interactive command line interpreter for IBM mainframe operating systems such as MVS/ESA, OS/390 and z/OS. It fills the same purpose as a command shell like Bash on Unix, or cmd on Windows. TSO is normally used by mainframe system administrators and programmers. For...

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Loader (computing)

including MVT, MVS and z/OS...

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Open system (computing)

operating system that supports the Unix APIs (z/OS, for example) can reasonably be classed as an open...

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MVS

added, and finally to z/OS when 64-bit support was added on the zSeries models; but it remains fundamentally the same operating system. Programs designed and built for MVS can still run on z/OS without... hardware was extended it was also to progressively support 31-bit (XA and ESA) and now (as z/OS...

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MVS/ESA

that name under z/OS...

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MVT

for many years. It is a very old forerunner of IBM's MVS and z/OS. Long since dead and buried, it is...

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