Way to save prefixes in /

1. Seg over to directory
2. Open the prefix to \S
O(\S,%.MIS.dic[mis.dbase,"MIS"]),C($U,%U),

3. use Z.fpn to save this value to a / value
%Z.fpn(^\)^/OPEN.MIS.DIC

4. Then you can use this open
O(\S,/OPEN.MIS.DIC)