Interrupt the program and return to interactive mode. This command is available in batch mode only.
If this parameter is given, the contents of the message will be displayed before the break is performed. If the command line is empty, a system “break” message will be given. The message must be enclosed in single quotes.
break ‘Press FK 1 to return’
Once an interruption has been made, the command file can be subsequently re-entered at the point of interruption by the DO command without parameters.