Red Hat Directory Server 8.0 Administrator's Guide

The fields and lists in the Object Classes tab are described in Table 9.2, “Object Classes Tab
Reference”.
Field Description
Parent The parent identifies the object class from
which this object class inherits its attributes
and structure. For example, the parent object
for the inetOrgPerson object class is the
organizationalPerson object. That means
that an entry with the object class
inetOrgPerson must also include the object
class organizationalPerson.
Typically, to add new attributes for user
entries, the parent is the inetOrgPerson
object class.
To add new attributes for corporate entries,
the parent is usually organization or
organizationalUnit.
To add new attributes for group entries, the
parent is usually groupOfNames or
groupOfUniqueNames.
OID The object identifier of the attribute. An OID is
a string, usually of dotted decimal numbers,
that uniquely identifies an object, such as an
object class or an attribute. If an OID is not
specified, the Directory Server automatically
uses object-class_name-oid. For example, if
the object division is created without
supplying an OID, the Directory Server
automatically uses division-oid as the OID.
CAUTION
Using an alphanumeric OID
such as division-oid is
deprecated and strongly
discouraged because it will
lead to interoperability
problems. Red Hat strongly
encourages that you request
your own OID prefix from IANA
(Internet Assigned Number
Authority). For more
information about OIDs or to
Chapter 9. Extending the Directory Schema
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