Background Processing System Fields in abap

SY-BATCH

X if the ABAP program is running in the background, otherwise space

Batch Input

SY-BINPT

X while a batch input session is running and when an ABAP program is called using
CALL TRANSACTION USING, otherwise space.

OPTIONS FROM in the CALL TRANSACTION USING statement can set SY-BINPT to space either for
the entire duration of the program, or at the end of the BDC data.

SY-BINPT is always space during a CATT procedure.