VMS Help SUBROUTINE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Defines the beginning of a subroutine in a command procedure. The
    SUBROUTINE command must be the first executable statement in a
    subroutine. For more information about the SUBROUTINE command,
    refer to the description of the CALL command.

    Format

      SUBROUTINE