DSXchange

regsvr32 is a command for registring COM objects (exe, dll, ocx,...).

usually you register COM objects like this :
regsvr32 myexe.exe
regsvr32 mydll.dll
regsvr32 myocx.ocx

COM , DCOM best applied in environments that are Windows-based.
But some UNIX implementations exists.

for https files tranfers, you will need : 1- server-side script for processing uploads 2- client-side program to send https requests (files to upload) 3- datastage job using operating system command to execute the program with filename in command line parameters Complicated enough for your client ? ...