flat file system - définition. Qu'est-ce que flat file system
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Qu'est-ce (qui) est flat file system - définition

CONCRETE FORMAT OR PROGRAM FOR STORING FILES AND DIRECTORIES ON A DATA STORAGE DEVICE
Filesystem; Disk file systems; Special purpose file systems; File system types; Disk file system; Special purpose file system; File systems; File storage; File System; Disk File System; Filesystems; Computer file system; File-system; File access; Serial files; Sequential file; Crash count; File time; Offline File System; Sequential files; Special file system; Prospero (file system); File processing system; Linux file systems; File system metadata; Linux filesystems; Virtual file; Dentries; Dentry; Directory entry; File system manager; Flat file system; Linux filesystem; Tree quota; Transactional file system; Tape file system; Microsoft Windows file systems
  • An example of slack space, demonstrated with 4,096-[[byte]] NTFS clusters: 100,000 files, each five bytes per file, which equal to 500,000 bytes of actual data but require 409,600,000 bytes of disk space to store <!-- The size listing shown in Explorer is oddly doubly-wrong. The example files are 5 bytes each, not 0.1K, and the clusters are a minimum of 4K not 1K.-->
  • Windows]] command shell
  • fragmented]]

flat file         
DATABASE STORED AS AN ORDINARY UNSTRUCTURED FILE (FLAT FILE)
Flat-file; Flat file database; Flat file; Flat database; Flat File; Flatfile database; Flatfile
¦ noun Computing a file that has no internal hierarchy.
flat file         
DATABASE STORED AS AN ORDINARY UNSTRUCTURED FILE (FLAT FILE)
Flat-file; Flat file database; Flat file; Flat database; Flat File; Flatfile database; Flatfile
<operating system, storage> A single file containing {flat ASCII} representing or encoding some structure, e.g. a database, tree or network. Flat files can be processed with general purpose tools such as Perl and text editors but are less efficient than {binary files} if they must be parsed repeatedly by a program. Flat files are more portable between different operating systems and application programs than binary files, and are more easily transmitted in electronic mail. See also flatten, sharchive. [Jargon File] (1996-01-26)
flat file database         
DATABASE STORED AS AN ORDINARY UNSTRUCTURED FILE (FLAT FILE)
Flat-file; Flat file database; Flat file; Flat database; Flat File; Flatfile database; Flatfile
<database> A database containing a single table, stored in a single flat file, often in a human-readable format such as comma-separated values or fixed-width columns. (2008-06-16)

Wikipédia

File system

In computing, a file system or filesystem (often abbreviated to fs) is a method and data structure that the operating system uses to control how data is stored and retrieved. Without a file system, data placed in a storage medium would be one large body of data with no way to tell where one piece of data stopped and the next began, or where any piece of data was located when it was time to retrieve it. By separating the data into pieces and giving each piece a name, the data are easily isolated and identified. Taking its name from the way a paper-based data management system is named, each group of data is called a "file". The structure and logic rules used to manage the groups of data and their names is called a "file system."

There are many kinds of file systems, each with unique structure and logic, properties of speed, flexibility, security, size and more. Some file systems have been designed to be used for specific applications. For example, the ISO 9660 and UDF file systems are designed specifically for optical discs.

File systems can be used on many types of storage devices using various media. As of 2019, hard disk drives have been key storage devices and are projected to remain so for the foreseeable future. Other kinds of media that are used include SSDs, magnetic tapes, and optical discs. In some cases, such as with tmpfs, the computer's main memory (random-access memory, RAM) is used to create a temporary file system for short-term use.

Some file systems are used on local data storage devices; others provide file access via a network protocol (for example, NFS, SMB, or 9P clients). Some file systems are "virtual", meaning that the supplied "files" (called virtual files) are computed on request (such as procfs and sysfs) or are merely a mapping into a different file system used as a backing store. The file system manages access to both the content of files and the metadata about those files. It is responsible for arranging storage space; reliability, efficiency, and tuning with regard to the physical storage medium are important design considerations.