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Startup Command and Parameter Reference
Startup Parameter Descriptions : Batch (-b)
 

Batch (-b)

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
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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