DO CASE
CASE Right(Sys(16, 0), 3) = "EXE"
   *-- EXE
CASE Right(Sys(16, 0), 3) = "APP"
   *-- APP
CASE Right(Sys(16, 0), 3) = "FXP"
   *-- FXP
ENDCASE

>I like to find a way to know if I am running a APP or EXE.
>Is there a SYS() function that I can use to know?