March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
Content preview from Introduction to the New Mainframe: z/VSE Basics
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Chapter 3. z/VSE overview 75
3.4 Virtual storage and other mainframe concepts
z/VSE uses both types of physical storage (real and auxiliary) to enable another
kind of storage called
virtual storage. In z/VSE, each user has access to virtual
storage, rather than physical storage. This use of virtual storage is central to the
ability of z/VSE to interact with large numbers of users concurrently, while
processing large workloads.
3.4.1 What is virtual storage?
Virtual storage means that each running program can assume that it has access
to all of the storage defined by the architecture’s addressing scheme. The only
limit is the number of bits
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