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# Create Options and Interfaces File

Application options and interfaces are no longer handled through an xxACOP.PUB program. Instead, you must build an application Options and Interfaces (xxOI) file.

An xxOI file is created and maintained through the Options and Interfaces function in Resource Manager. An option to allow editing of the xxOI file appears on the command bar when the Software Development Utilities are installed on your system. Refer to the Software Development Utilities User’s Manual for a description of the prompts for editing the options and interfaces.