NetWare 4.1/9000 Concepts

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NetWare Glossary
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If a query is made that does not make sense in a particular NetWare Services
environment, NWDIAG responds that the query is unsupported. For
example, NetWare shell function calls would not be supported.
The NWDIAG startup is configurable using the nwcm utility.
See also: “nwcm.”
NetWare Directory database
The database (commonly referred to as the Directory) that organizes
NetWare Directory Services objects in a hierarchical tree structure called the
Directory tree.
See also: “NetWare Directory Services (NDS).”
NetWare Directory Services (NDS)
A global, distributed, replicated database built into NetWare Services that
maintains information about, and provides access to, every resource on the
network.
NetWare Directory Services treats all network resources (users, groups,
printers, volumes, computers, and so forth) as objects in a distributed
database known as the NetWare Directory database (also referred to as the
Directory).
The NetWare Directory database organizes objects, independent of their
physical location, in a hierarchical tree structure called the Directory tree.
Users and network supervisors can access any network service without
having to know the physical location of the server that stores the service.
NetWare Directory Services makes it possible to integrate a diverse network
of resources into a single, easy-to-use environment.
The Directory replaces the bindery, which served as the system database for
previous releases of NetWare. While the bindery supports the operation of a
single NetWare server, NetWare Directory Services supports an entire
network of servers.
So, instead of storing all information on one server, which can be a single
point of failure, information is distributed over a global database.