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

Open System Services Management and Operations Guide—527191-002
Glossary-1
Glossary
A7CINFO file. A Distributed Systems Management/Software Configuration Manager
(DSM/SCM) configuration file distributed with OSS products that contains information
about the contents of all pax archive files of an OSS distribution subvolume.
absolute pathname. A pathname that begins with a slash (/) character and is resolved
beginning with the root directory. Contrast with relative pathname.
address space. The memory locations to which a process has access.
API. See application program interface (API).
application program interface (API). A set of services (such as programming language
functions or procedures) that are called by an application program to communicate with
other software components. For example, an application program in the form of a client
might use an API to communicate with a server program.
backout. The Distributed Systems Management/Software Configuration Manager
(DSM/SCM) action of making the last configuration applied to the target system
inaccessible and replacing it with the previous configuration.
Coordinated Universal Time (UTC). The standard measure of time from the beginning of
the current Epoch. UTC is sometimes called Universal Coordinated Time, CUT, or
UCT; the standard appellation is abbreviated as UTC, an arbitrary ordering of the
letters. UTC was formerly called Greenwich mean time (GMT). See also Epoch.
creation pool. The set of disk volumes currently used for new file creation for a fileset. The
creation pool is defined by the storage-pool file for the fileset and is a subset of the
storage pool for the fileset.
creation version serial number (CRVSN). A number assigned by the disk process when a
file is created. The CRVSN is used by the disk process and the OSS name server
process to verify that access to the correct file occurs. The CRVSN is stored in the
catalog entry for a regular file and is passed to the disk process when a Data Definition
Language (DDL) request is made that involves the file.
CRVSN. See creation version serial number (CRVSN).
device. A computer peripheral or an object that appears to the application as such. See
also terminal.
directory. A type of OSS special file that contains directory entries, which name links to
other files. No two directory entries in the same directory have the same name.
distribution subvolume (DSV). A subvolume containing program files for a particular
software product along with the software release document (softdoc) file for that
product. The format for an HP DSV name is Ynnnnrrr or Rnnnnrrr where nnnn is