TS/MP System Management Manual (G06.24+, H06.03+)

Glossary
NonStop TS/MP System Management Manual—541819-001
Glossary-15
online transaction processing (OLTP) application
online transaction processing (OLTP) application. A set of programs that perform online
transaction processing (OLTP) tasks on behalf of the user. With an OLTP application,
many terminal users can update data simultaneously, recording the changes in the
database as they are entered. OLTP applications generally display, check, and accept
input data; manipulate the input data; and perform some type of data-output activity.
Open System Services (OSS). An open system environment available for interactive or
programmatic use with the Tandem NonStop Kernel. Processes that run in the OSS
environment use the OSS application program interface; interactive users of the OSS
environment use the OSS shell for their command interpreter. See also Guardian and
Guardian environment.
OSS. See Open System Services (OSS).
OSS environment. The NonStop Kernel Open System Services (OSS) API, tools, and
utilities. See also Open System Services (OSS).
OSS filename. A component of an OSS pathname containing any valid characters other
than a slash (/) or a null. See also file name, OSS pathname, and file system
(definition 2).
OSS operating environment. See OSS environment.
OSS pathname. The string of characters that uniquely identifies a file within its file system
in the OSS environment. A pathname can be either absolute or relative. See also
absolute pathname, relative pathname, and file system (definition 2).
OSS username. A string that uniquely identifies a user within the user database for a node.
overlay area. In SCREEN COBOL, an area of a base screen within which an overlay
screen can be displayed.
overlay screen. In SCREEN COBOL, a screen that is displayed in an overlay area of a
base screen. A base screen can be used with various overlay screens. See also
screen and base screen.
Parallel Transaction Processing (PTP) Services for the CICS API product. The
collection of software components (executable program files, data files, and so on) that
support transaction processing and application development for CICS applications in
the Guardian environment on Tandem NonStop systems. See also Customer
Information Control System (CICS) and PTP transaction processing environment.
partially qualified file name. A Guardian file name in which only the right-hand file-name
parts are specified. The remaining parts of the file name assume default values. See
also fully qualified file name.
PATHCOM. (1) The interactive interface to the PATHMON process, through which users
enter commands to configure and manage Pathway applications. (2) The process that
provides this interface.