NET/MASTER Network Control Language (NCL) Reference Manual

Glossary
Glossary–34 106126 Tandem Computers Incorporated
system panel library. A generic term that refers to both the distribution and customized
panel libraries.
system parameter. A parameter set by the SYSPARMS command.
system procedure library. A generic term that refers to both the distribution and
customized procedure libraries.
system variable. A variable that begins with the reserved stem “SYS.”. System variables
provide access to system-related information.
system-defined error handler. An error handler defined by NCL and used to trap a
system-defined error condition.
system-level NCL procedure. An NCL procedure that has access to distinct types of
message flows within NonStop NET/MASTER MS, by using certain verbs.
system-wide loading. Loading an NCL process so that the same object file of an external
NCL procedure or function can be used by all NCL processes in all Guardian
processes.
Systems Network Architecture (SNA). An architecture developed by IBM that allows the
integration of all IBM hardware and software into a universal network.
Systems Network Architecture Extended (SNAX). The Tandem SNA access method.
TACL. See Tandem Advanced Command Language.
TAL. See Transaction Application Language.
Tandem Advanced Command Language (TACL). The Tandem product that is both the
standard command interpreter in the Guardian environment and a language
consisting of functions, macros, and routines that allows a user to build commands.
Tandem NonStop Kernel. The Tandem proprietary operating system that provides fault
tolerance and is optimized for online transaction processing. NonStop NET/MASTER
MS runs under the Guardian environment of the operating system.
target label. In an NCL procedure, the label following a core statement for which the
core statement searches.
target NCL ID. The NCL identifier following a NonStop NET/MASTER MS command
for which the command searches.
target position. In an NCL procedure, a code position identified by a label.
TCP. See terminal control process.
term. The basic unit of an expression in NCL. There are five types of terms: symbols,
quoted strings, variables, parenthesized expressions, and function references.
terminal control process (TCP). The Guardian process that interprets SCREEN COBOL
object code, handles input-output to operator terminals, and sends messages to server
processes.
terminal definition record. The record created when defining a terminal to NonStop
NET/MASTER MS.