This operational attribute used in LDAP schema defines object classes, which specify the types of objects that an entry represents, and the required and optional attributes for entries of those types.

Origin RFC 4512
Usage directoryOperation
Equality Matching Rule objectIdentifierFirstComponentMatch
Single Value false: multiple values allowed
Names objectClasses
User Modification Allowed true
Used By subschema
Schema File 00-core.ldif
Syntax Object Class Description
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