Open System Services Management and Operations Guide (G06.25+, H06.03+)

Glossary
Open System Services Management and Operations Guide—527191-002
Glossary-3
Guardian
Guardian. An environment available for interactive or programmatic use with the HP
NonStop operating system. Processes that run in the Guardian environment usually
use the Guardian system procedure calls as their application program interface;
interactive users of the Guardian environment usually use the HP Tandem Advanced
Command Language (TACL) or another HP product’s command interpreter. Contrast
with Open System Services (OSS).
inode. A data structure that stores the location of a file.
link. A directory entry for a file.
mount. To make a fileset accessible to the users of a node.
mount point. A directory that contains a mounted fileset. The mounted fileset can be in a
different file system.
node. A uniquely identified computer system connected to one or more other computer
systems in a network.
Open System Services (OSS). An open system environment available for interactive or
programmatic use with the HP NonStop operating system. Processes that run in the
OSS environment usually use the OSS application program interface; interactive users
of the OSS environment usually use the OSS shell for their command interpreter.
Synonymous with Open System Services (OSS) environment. Contrast with Guardian.
Open System Services (OSS) environment. The HP NonStop operating system Open
System Services (OSS) application program interface (API), tools, and utilities.
Open System Services (OSS) Monitor. A Guardian utility that accepts commands
affecting OSS objects through an interactive Guardian interface named the Subsystem
Control Facility (SCF).
orphan file. A file with no corresponding inode in the PXINODE file.
orphan inode. An inode that appears in the PXINODE file but has no links in the PXLINK
file.
OSS. See Open System Services (OSS).
OSS environment. See Open System Services (OSS) environment.
OSS Monitor. See Open System Services (OSS) Monitor.
pathname. In the OSS environment, the string of characters that uniquely identifies a file
within its file system. A pathname can be either relative or absolute. See also ISO/IEC
IS 9945-1:1990 (ANSI/IEEE Std. 1003.1-1990 or POSIX.1), Clause 2.2.2.57.
pathname component. See filename.