Library /sys$common/syshlp/sysmanhelp.hlb STARTUP, ENABLE, Qualifiers, /PHASE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /PHASE=phase-name

    Indicates the phase within system startup when the specified file
    is to be enabled. Valid phases include LPBEGIN, LPMAIN, LPBETA,
    and END. LPMAIN is the default.