VMS Help DTM, SPAWN, Command Qualifiers, /CARRIAGE_CONTROL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

   /CARRIAGE_CONTROL
   /NOCARRIAGE_CONTROL

   Determines whether carriage control characters or line feed
   characters, or both are prefixed to the DCL-prompt string of
   the subprocess. The default is the current setting of the parent
   process.