Glossary:

ATIS Telecom Glossary

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FIFO

Abbreviation for first-in first-out.

file

1. The largest unit of storage structure that consists of a named collection of all occurrences in a database of records of a particular record type.
2. A set of related records treated as a unit, for example, in stock control, a file could consist of a set of invoices.

file ACL class

The property of a file indicating access permissions for a process related to the process' user or group identification. A process is in the file ACL class of a file if the process is not in the file owner class and the effective user ID of the process matches the user ID of a user entry in the ACL associated… (Read More →)

file name extension

1. A suffix that is preceded by a decimal (". ") and that is appended to a computer file name.
Note: Common filename extensions with their meanings are: . wpd = a type of word-processing document . doc = a type of word-processing document. exe = executable code or a self-extracting archive file. . gif = a graphical interchange format… (Read More →)

file other class

The property of a file indicating access permissions for a process related to the process' user and group identification. A process is in the file other class of a file if the process is not in the file owner class, file group class, or file acl class [POSIX.6].

file privilege attribute

A per-file privilege value that specifies global behavior for all privileges defined in the implementation [POSIX.6].

file privilege flag

A per-privilege attribute of a file that is used during exec() processing in computing the privileges of any process executing that file [POSIX.6].

file privilege state

A state variable that identifies a value for all defined file privilege flags for all privileges defined in an implementation and a value for all file privilege attributes defined in an implementation [POSIX.6].

file protection

1. The execution of appropriate administrative, technical, or physical means to guard against the unauthorized access to, modification of, or deletion of a file. [After 2382-8]
2. [The] aggregate of processes and procedures designed to inhibit unauthorized access, contamination, elimination, modification, or destruction of a file or any of its contents. [INFOSEC-99]

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