HP NonStop G-Series - Manual (Page 200)

Open System
Services (OSS)
environment The HP NonStop 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).
Open System
Services (OSS)
signal A signal model defined in the POSIX.1 specification and available to TNS processes and TNS/R
native processes in the OSS environment. OSS signals can be sent between processes.
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 use the OSS application program
interface; interactive users of the OSS environment use the OSS shell for their command interpreter.
Synonymous with
Open System Services (OSS) environment . Contrast with Guardian .
open system. A system with interfaces that conform to international computing standards and therefore appear
the same regardless of the system’s manufacturer. For example, the Open System Services (OSS)
environment on HP NonStop systems conforms to international standards such as ISO/IEC IS
9945-1:1990 (ANSI/IEEE Std. 1003.1-1990, also known as POSIX.1), national standards such
as FIPS 151-2, and portions of industry specifications such as the X/Open Portability Guide
Version 4 (XPG4).
operator. 1. A symbol—such as an arithmetic or conditional operator—that performs a specific operation
on operands.
2. In Network Control Language (NCL), a lexical element used for working on terms in expressions.
There are five types of operators: parenthetical, arithmetic, Boolean, relational, and string.
3. For a HP NonStop system, the person or program responsible for day-to-day monitoring and
maintenance tasks associated with the HP NonStop operating system and the hardware of a
NonStop node. The operator issues commands to subsystems; retrieves, examines, and responds
to event messages; or does any combination of those things. See also
local operator. Contrast
with administrator .
4. For a UNIX system, any interactive user of that system.
option. A flag and its parameters or a flag without parameters.
See also
flag. .
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.
orphaned process
group. A process group in which the parent of every member either is also a member of the process
group or is a member of a different session.
OSS environment. See Open System Services (OSS) environment .
OSS Monitor See Open System Services (OSS) Monitor .
OSS process ID
(PID) The unique identifier that represents a process during the lifetime of the process and during the
lifetime of the process group of that process.
See also
PID. .
OSS signal See Open System Services (OSS) signal .
OSS. See Open System Services (OSS). .
parent directory. A particular directory in the hierarchy of directories within a file system. The parent directory for
a directory contains an entry for that specific directory and is identified in that directory as the
directory immediately above it in the hierarchy. The parent directory for a file contains an entry
for that file.
parent process ID. An attribute of a child process determined by the parent process. The parent process ID is the
Open System Services (OSS) process ID of the current parent process.
parent process. The process that created a given process, or (if that process has stopped) a process that has
inherited a given process.
See also
child process. .
path prefix. In the Open System Services (OSS) environment, a pathname, with an optional final slash (/)
character, that refers to a directory.
200 Glossary