Every CDS entity has attributes, which are pieces or sets of data
   associated with that entity.  Attributes can reflect or affect the
   operational behavior of an entity, record the number of times a
   particular event or problem occurred since the entity was last
   enabled, and uniquely distinguish an entity from any other entity.
   Some attributes have a single value; others contain a set of
   values.

   CDS attributes are identified by ISO object identifiers (OIDs).
   Every CDS attribute name maps to an OID and a corresponding data
   type.  Usually, client applications define the name of an
   attribute and its data type.  Application programmers should never
   need to modify (except for the purpose of foreign language trans-
   lation) the existing CDS labels associated with the unique OIDs in
   the cds_attributes file.  However, programmers can obtain new OIDs
   from the appropriate allocation authority, create new attributes
   for their own object entries, and then append them to the existing
   list. The OID and data type of each attribute are stored in the
   file DCE$COMMON:[ETC]CDS_ATTRIBUTES.DAT.  Descriptions of the CDS
   data types that applications can use are in the cdsclerk.h file.

   All entities have show commands that you can use to display the
   names and values of specific attributes or all attributes.  When
   you display an attribute that has more than one value, the show
   command lists each value for the attribute separately.  When there
   are multiple values for an attribute, the command first lists the
   attribute name on a line ending with a colon, then the parts of
   the value.

   For more information about CDS attributes, see the DCE Directory
   Service module in the DCE Administration Guide.