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ABCs of IBM z/OS System Programming Volume 1 by Paul Rogers, Karan Singh

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z/OS maintenance concepts
Software management is a key discipline that can help you to achieve high availability (HA) and continuous operation in your IBM z/OS environment. It can also assist in lowering the cost of installing, testing, operating, and maintaining your systems.
This chapter provides information about the following topics:
Aspects of software management
Software management tasks
z/OS software management cycle
How current your software should be
6.1 Aspects of software management
Figure 6-1 Aspects of software management
Aspects ...

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