VMS Help INSTALL, REPLACE, Example  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  INSTALL> REPLACE GRPCOMM /ACCOUNTING/NOOPEN

      The command in this example replaces the known image GRPCOMM
      with the latest version of the image, while enabling image
      accounting and removing the OPEN attribute from this version.

      The full name of the file specification is assumed to be
      SYS$SYSTEM:GRPCOMM.EXE.