Use Batch (-b) to initiate a batch session, with no terminal interaction.

Operating system and syntax UNIX / Windows -b
Use with Maximum value Minimum value Single-user default Multi-user default
Client Session

When ABL (Advanced Business Language) procedures run in batch mode, the ABL Virtual Machine (AVM) does not display any messages produced by those procedures on the terminal screen. However, AVM error messages are displayed to the terminal screen. To suppress these messages, redirect standard output as shown in this Windows example:

prowin32.exe -p test.p -b > nul