NonStop S-Series Server Description Manual (G06.24+)

Glossary
HP NonStop S-Series Server Description Manual—520331-003
Glossary-36
file permission bits
file permission bits. Information about an Open System Services (OSS) file that is used,
along with other information, to determine whether a process or user has read, write, or
execute/search permission to that file. The bits are divided into three parts: owner,
group, and other. Each part is used with the corresponding file class of processes.
file serial number. A number that uniquely identifies a file within its file system.
fileset. In the Open System Services (OSS) environment, a set of files with a common
mount point within the file hierarchy. A fileset can be part or all of a single virtual file
system.
On an HP NonStop™ system, the Guardian file system for a node has a mount point
and is a subset of the OSS virtual file system. The entire Guardian file system
therefore could be viewed as a single fileset. However, each volume, and each
process of subtype 30, within the Guardian file system is actually a separate fileset.
The term “file system” is often used interchangeably with “fileset” in UNIX publications.
file system. In the Open System Services (OSS) environment, a collection of files and file
attributes. A file system provides the namespace for the file serial numbers that
uniquely identify its files. Open System Services provides a file system (see also
ISO/IEC IS 9945-1:1990 [ANSI/IEEE Std. 1003.1-1990], Clause 2.2.2.38); the
Guardian application program interface (API) provides a file system; and OSS Network
File System (NFS) provides a file system. (OSS NFS filenames and pathnames are
governed by slightly different rules than OSS filenames and pathnames.) Within the
OSS and OSS NFS file systems, filesets exist as manageable objects.
On an HP NonStop™ system, the Guardian file system for a node is a subset of the
OSS virtual file system. Traditionally, the API for file access in the Guardian
environment is referred to as the “Guardian file system.”
In some UNIX and NFS implementations, the term “file system” means the same thing
as “fileset.” That is, a file system is a logical grouping of files that, except for the root of
the file system, can be contained only by directories within the file system. See also
fileset
.
File Transfer, Access, and Management (FTAM). The Open Systems Interconnection
(OSI) standard developed by the International Organization for Standardization (ISO)
for network file exchange and management services.
file transfer protocol (FTP). (1) The Internet-standard, high-level protocol for transferring
files from one machine to another. The server side requires the client to supply a logon
identifier and password before it honors requests. FTP makes no assumptions about
the file-naming structure of the source and destination systems, and it allows the file
names of each system to be represented in the vernacular. (2) The application used to
send complete files over Transmission Control Protocol/Internet Protocol (TCP/IP)
services.
filler panel. A blank faceplate that is installed in place of a ServerNet adapter or plug-in
card (PIC) to ensure proper ventilation.