Part 4 contains reference material for the X/Open Object Management (XOM) programming interface.
XDS Interface Description describes the components and functions of the XDS interface.
XDS Class Definitions defines alphabetically the OM classes that make up the directory service package.
Basic Directory Contents Package outlines the names of all common objects and defines OM classes to represent those that are not represented directly by OM syntaxes.
Strong Authentication Package describes the strong authentication package (SAP).
MHS Directory User Package describes the optional message handling system (MHS) directory user package.
GDS Package describes the global directory service (GDS) package.
Distributed Management Environment Support describes the DME network management option (NMO).
Information Syntaxes defines the syntaxes permitted for attribute values.
XOM Service Interface describes the aspects of the XOM service interface.
Object Management Package defines the object management package (OMP).