Contents of This Guide12 Red Hat Directory Server Schema Reference • May 2005• Directory Server Console — An improved management console thatdramatically reduces the effort of setting up and maintaining your directoryservice. The directory console is part of Red Hat Console, the commonmanagement framework for LDAP directory services.• SNMP Agent — Permits you to monitor your Directory Server in real timeusing the Simple Network Management Protocol (SNMP).• Online backup and restore — Allows you to create backups and restore frombackups while the server is running.Contents of This Guide• Chapter 1, “About Schema” — Provides an overview of some of the basicconcepts of the directory schema and lists the files in which the schema isdescribed. It describes object classes, attributes, and Object Identifiers (OIDs)and briefly discusses schema checking and extending server schema.• Chapter 2, “Object Class Reference”— Contains an alphabetical list of theobject classes accepted by the default schema. It gives a definition of eachobject class and gives the list of required and allowed attributes specific to theparticular object class. However, any mandatory and optional attributesinherited from superior object classes are not listed.• Chapter 3, “Attribute Reference” — Contains an alphabetic list of thestandard attributes. It gives a definition of each attribute and gives theattribute syntax.• Chapter 4, “Operational Attributes, Special Attributes, and Special ObjectClasses” — Contains operational attributes used by Directory Server. Thechapter also describes some special attributes and object classes that are usedby the server.Prerequisite ReadingThis guide describes the standard schema and the standard object classes andattributes. However, this guide does not describe how to design, customize ormaintain your schema, nor does it give any information on replication. Thoseconcepts are described in the Red Hat Directory Server Deployment Guide. Youshould read that book before continuing with this manual.