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An Introduction to IMS: Your Complete Guide to IBM Information Management System by Steve Nathan, Sandy Sherrill, Rick Long, Moira McFadden Lanyi, Margaret Wilson, Kenny Blackman, John Butterweck, Diane Goff, Barbara Klein

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Chapter 20. Customizing IMS

Customizing IMS is the process of tailoring IMS functions to fit the specific needs of your installation.

Some customization tasks are required before you can use IMS, but most are optional. If you choose not to do optional customization on a specific IMS function, that function will work according to IBM-provided defaults. If IMS is new to your installation, you might want to do a minimum amount of optional customization initially. You can use IMS, and then do additional customizing when performance or IMS capabilities indicate the need to do so.

You can customize IMS by modifying the following:

• Initialization values

• Macros

• Procedures

• User exits

You can modify how IMS processes a unit of work by providing ...

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