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DHCP
Dynamic Host Configuration Protocol. Enables the automatic assignment
of an IP address to clients on networks from a pool of addresses. The IP
address assignment and configuration occurs automatically whenever
appropriate client systems (workstations and portable computers) attach to
a network. The current implementation of DHCP is based on the JOIN
product by Competitive Automation.
DMS
Dataless Management Services. A service where a server maintains the root,
/usr, and /var file systems for client computer systems connected to the
server by a local area network (LAN).
DMS area
A reserved disk area physically connected to a DMS server, which contains
multiple copies of the root area, one for each DMS client.
DMS client
A computer system whose system disk area is physically connected to a DMS
server rather than to the client itself, and is accessed across the network
by the client.
DMS client area
A DMS client area resides in each DMS area and is called /clients.
Multiple copies of the root area reside in the client area, each tailored from
the appropriate generic root for an individual client.
DMS environment
A portion of a DMS area, containing software to support one or more
clients. A DMS environment contains one or more DMS root areas. DMS
environments are located in /var/adm/dms.
DMS root area
One root area is required for each client that is to be supported in the DMS
environment. DMS root areas are located in /var/adm/dms/dms
N.alpha.
Each root area contains a generic root directory and a shared /usr file
system.
DMS server
A computer system that maintains the root, /usr, and /var file systems
for DMS client systems. The DMS servers can contain multiple DMS
environments to which clients are added. DMS clients are booted over a
local area network (LAN). Swapping and dumping is not supported over the
network and must be done on the clients’ local disks.
dmu
Dataless management utility, located at /usr/sbin/dmu. A text-based
interface used to manage the sharing of installed operating software
Glossary–3