
114 IBM Application Development Tools for z/OS and OS/390
3.4 What it takes to debug your application program
To start a debug session with Debug Tool, invoke your application program
including the TEST run-time option.
After Debug Tool is invoked, it gains control of your application program and
suspends execution to allow you to perform tasks like setting breakpoints,
checking the value of variables, or examining the contents of storage.
With Debug Tool V3R1, the most effective location to execute a single step batch
application program is using Debug Tool Setup Utility (DTSU), which is part of
Debug Tool Utilities (DTU). This allows you to automatically ...