424Introduction to the New Mainframe: z/VSE Basics
the first time. Many VSE/ESA customers found the combination of VSE and
Linux on the same mainframe to be a compelling solution.
In October 2000, IBM announced the first generation of the zSeries mainframes.
The zSeries is based on the 64-bit z/Architecture, which is designed to reduce
memory and storage bottlenecks. The z/Architecture is an extension of ESA/390.
Dynamic channel management was also introduced, as well as specialized
cryptographic capability.
The mainframe became
open and capable of executing Linux. Special
processors (IFLs) were developed. The IFLs significantly enhanced the ...
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