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Z/OS

z/OS is a 64-bit server operating system from IBM. It is the new name for the existing mainframe system OS/390, combining MVS and UNIX System Services (a mainframe implementation of Unix, formerly known as MVS Open Edition.)

(In the same December 2001 rebrand:

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KANU

... tribes, such as the Kalenjin[?] to which Moi belonged, against the dominance of the big Luo[?] and Kikuyu tribes that comprised the majority of Kanu's membership ...

 
 
 
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