Pathway Products Glossary

Glossary
Compaq NonStop™ Pathway Products Glossary—426762-001
Glossary-19
online migration
online migration. See rolling configurations.
online transaction processing (OLTP). A method of processing transactions in which
entered transactions are immediately applied to the database. The information within the
database is readily available to all users through online screens and printed reports. The
transactions are processed while the requester waits, as opposed to queued or batched
transactions, which are processed at a later time.
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 NonStop™ Kernel operating system. 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 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.
P
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.