If you want to copy file on PC windows, you can use function "WS_FILE_COPY".

Example

*&---------------------------------------------------------------------*
*&      Form  COPY_FILE
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->PAR_SOURCE       text
*      -->PAR_DESTINATION  text
*----------------------------------------------------------------------*
FORM copy_file USING    par_source
                        par_destination.
  DATA: lv_return LIKE sy-subrc.
  CALL FUNCTION ’WS_FILE_COPY’
       EXPORTING
            destination = par_destination
            source      = par_source
       IMPORTING
            return      = lv_return.
ENDFORM.                    " COPY_FILE