VMS Help Sys Parameters, PQL_DENQLM  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    PQL_DENQLM sets the default enqueue limit for a process created
    by the Create Process ($CREPRC) system service or the DCL command
    RUN (Process).

    PQL_DENQLM has the DYNAMIC and GEN attributes.