Overview - changing PL/I application programs

The easiest way to obtain AR/CTL services in an application program is with automated methods, which require no program changes. If you are not able to use the automated methods, you can change the application program to issue explicit requests for AR/CTL services. This section provides general information about making changes to application programs written in PL/I.

Before using the information in this section, review the overview information about AR/CTL checkpoint/restart and data services in Using AR/CTL checkpoint/restart services.

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