ocr: HIERARCHICAL NAME-SPACE Root 0= MFI D = Gino's Pi2z8 OU= DBMS Qu= Unix Review. OUEL LAN Magazine OU= Sales ou= Editorial QU= Circulation Figure 2. if a naming system has a tree structure, then every name can be uniquely identified using the full path- ASs long as it isn't duplicated at the same branch and evel, Fiat amig spaces must not reuse names.