/sys$common/syshlp/helplib.hlb CREATE, /TERMINAL, Parameter  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 command-string

    Specifies a command string that is to be executed in the context
    of the created subprocess. You cannot specify this parameter
    with the /DETACH or the /NOPROCESS qualifier. The CREATE/TERMINAL
    command is used in much the same way as the SPAWN command.