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

    PQL_DWSEXTENT sets the default working set extent for a process
    created by the Create Process ($CREPRC) system service or the DCL
    command RUN (Process).

    PQL_DWSEXTENT has the AUTOGEN, DYNAMIC, and GEN attributes.