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z/OS |
Also found in: Acronyms, Wikipedia | 0.02 sec. |
z/OSA mission critical mainframe operating system that extends OS/390 to IBM's zSeries eServers. Although in its first release there are few functional enhancements compared to OS/390 Version 2 Release 10, many more are expected. z/OS, Version 1 Release 1 runs on G5 and G6 Parallel Enterprise Servers, Multiprise 3000 Servers and supports 64-bit real memory addressing on the z900 (64-bit virtual storage is expected). On the G5 and G6, z/OS uses 31-bit addressing and is somewhat restricted. When IBM introduced its zSeries 800 in 2002 for the mid-size market, it introduced a lower-priced version of z/OS known as "z/OS.e." See zSeries. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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