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

       /PHASE=phase-name

    Indicates the phase of system startup from which the file will be
    removed. Valid phases include LPBEGIN, LPMAIN, LPBETA, and END.