{
{   The purpose of this request is to deactivate a file in device management.
{ A file is deactivated only if it is not currently attached by another job.
{
{       DMP$DELETE_FILE_DESCRIPTOR (SYSTEM_FILE_ID, STATUS)
{
{ SYSTEM_FILE_ID: (input) This is the principal file identifier used by
{       device management.
{
{ STATUS: (output) This parameter indicates the status of the request.
{
