The additional topics list all the debugger commands and any
    related DCL commands in functional groupings, along with brief
    descriptions.

  Additional Information (explode) :

• Starting and Ending a Debugging Session
• Controlling and Monitoring Program Execution
• Examining and Manipulating Data
• Type Selection and Radix
• Symbol Searches and Symbolization
• Displaying Source Code
• Screen Mode
• Editing Source Code
• Defining Symbols
• Keypad Mode
• Command Log Initialization Files
• Control Structures
• Multiprocess Programs
• Additional Commands