docs: def showInvLines(rh):
      """
      Produce help output related to command synopsis
  
      Input:
         Request Handle
      """
  
      if rh.subfunction != '':
          rh.printLn("N", "Usage:")
      rh.printLn("N", "  python " + rh.cmdName +
                 " ChangeVM <userid> add3390 <diskPool> <vAddr>")
      rh.printLn("N", "                    <diskSize3390> --mode " +
                 "<mode> --readpw <read_pw>")
      rh.printLn("N", "                    --writepw <write_pw> " +
                 "--multipw <multi_pw> --filesystem <fsType>")
      rh.printLn("N", "  python " + rh.cmdName +
                 " ChangeVM <userid> add9336 <diskPool> <vAddr>")
      rh.printLn("N", "                    <diskSize9336> --mode " +
                 "<mode> --readpw <read_pw>")
      rh.printLn("N", "                    --writepw <write_pw> " +
                 "--multipw <multi_pw> --filesystem <fsType>")
      rh.printLn("N", "  python " + rh.cmdName +
                 " ChangeVM <userid> aemod <aeScript> --invparms <invParms>")
      rh.printLn("N", "  python " + rh.cmdName +
                 " ChangeVM <userid> IPL <addrOrNSS> --loadparms <loadParms>")
      rh.printLn("N", "                    --parms <parmString>")
      rh.printLn("N", "  python " + rh.cmdName +
                 " ChangeVM <userid> loaddev --boot <boot> --addr <addr>")
      rh.printLn("N", "                     --wwpn <wwpn> --lun <lun> " +
                 "--scpdatatype <scpDatatype> --scpdata <scp_data>")
      rh.printLn("N", "  python " + rh.cmdName +
                 " ChangeVM <userid> punchFile <file> --class <class>")
      rh.printLn("N", "  python " + rh.cmdName +
          " ChangeVM <userid> purgeRDR")
      rh.printLn("N", "  python " + rh.cmdName +
          " ChangeVM <userid> removedisk <vAddr>")
      rh.printLn("N", "  python " + rh.cmdName +
          " ChangeVM <userid> removeIPL <vAddr>")
      rh.printLn("N", "  python " + rh.cmdName + " ChangeVM help")
      rh.printLn("N", "  python " + rh.cmdName +
                 " ChangeVM version")
      return