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IBM WebSphere® Application Server for Distributed Platforms and z/OS®: An Administrator’s Guide by Alan Beaubien, Yu Tang, Mike Casile, Michel Betancourt, Thomas Gissel, Mihaela Herescu, Dipak Patel, Keith McGuinnes, Radhike Iyer, Kyle Miller, Dave Draeger, Mike Everett, Ann Black

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Appendix F. Common z/OS Terms

This appendix highlights common z/OS terms used throughout the book.

Table F.1. Definition of Terms

Term/Acronym

Definition

z/OS and OS/390

The Z operating system is the latest in a series of multiple virtual storage operating systems running on the zSeries platform. zSeries is IBM’s large server or mainframe CMOS (complementary metal oxide semiconductor) architecture. WebSphere also supports the predecessor to z/OS named Operating System 390 (OS390).

zSeries

zSeries is the large server or mainframe platform including hardware, software, and all that entails. As an example, the distributed platform commonly known as AIX are the pSeries platforms, Intel based servers from IBM are known as xSeries, and RISC based architectures ...

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