NET/MASTER Network Control Language (NCL) Reference Manual

Glossary
106126 Tandem Computers Incorporated Glossary–9
DO loop. A group of NCL statements enclosed by matching DO and END core
statements that can be executed more than once.
DOM ID. See delete operator message (DOM) ID.
domain. A logical division within a network.
domain ID. A character string of one through four characters used to identify a domain.
A domain ID is the first part of a DOM ID.
DSM. See Distributed Systems Management.
DSNM. See Distributed Systems Network Management.
dynamic preparsing. A type of preparsing (when displaying a panel) that shifts fields to
the right of substituted data during the preparse phase to accommodate differing
substituted data lengths.
dynamic process. An application process with dynamic presence: that is, a process
designed to be present as required in the NonStop NET/MASTER MS processing
environment. See also static process.
dynamic rule. An RMS message action rule where a variable determines the value of the
primary trigger.
dynamic terminal. A terminal opened for use by NonStop NET/MASTER MS by using
the NNM program from TACL.
dynamic user. A real user logged on to NonStop NET/MASTER MS using a dynamic
terminal. The user’s session with NonStop NET/MASTER MS begins and ends with a
TACL prompt.
Edit Services. The NonStop NET/MASTER MS service that provides access to the
Tandem text editor, PS Text Edit (TEDIT), to create and maintain NCL procedures and
panels.
edit file. The Tandem unstructured file with a file code of 101 (also called an “edit
format file”).
element. A data structure, understood by Mapping Services, consisting of a header
immediately followed by data.
element header. The beginning of an element. An element header consists of two parts:
a length field and a key field.
EM process. See event management services process.
emergency shutdown. A shutdown operation started by the NonStop NET/MASTER MS
control process (NCP). See also immediate shutdown and normal shutdown.
EMS. See Event Management Service.
EMS event collector. A Guardian process, part of the Tandem EMS subsystem, that
collects and stores messages. The default EMS event collector is $0.