-SAPXPG - the external program controller.
-All the external command or programs are started by SAPXPG.
-SAPXPG is a C program which stored in the SAP executables directory.
-The trace file of SAPXPG is dev_cp.
739960 - sapxpg trace is overwritten
962974 - External commands: Content of the dev_cp trace file
1355725 - External commands: Trace file dev_cp is too large