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Encyclopedia > Flat file

The term flat file can refer to a flat-file database, or to a simple type of file system for computers. A flat file database is described by a very simple database model, where all the information is stored in a plain text file, one database record per line. ... In computing, a file system is a method for storing and organizing computer files and the data they contain to make it easy to find and access them. ... For the magazine by IEEE Computer Society, see Computer (magazine) A computer is a machine for manipulating data according to a list of instructions - a program. ...

Flat file databases

A flat file is a file containing records having no structural relationships. Fields are either padded with whitespace to have fixed widths, or they are separated by a character chosen as a delimiter. In computer science, a database record is a description of a single item as stored in a database. ... In computer science, data that has several parts can be divided into fields. ... For information on the programming language, see Whitespace programming language. ... Delimiters are marks which are used to seperate subfields of data. ...

Furthermore, flat file also refers to a form of library collection consisting of flat files of information on particular topics. Typically, newspaper clippings and other similar information are stored in flat files organised by subject. A modern-style library in Chambéry In the traditional sense of the word, a library is a collection of books and periodicals. ...

Flat file systems

In a flat file system, there are no directories — everything is stored at the same (root) level on the media, be it a hard disk, floppy disk, etc. While simple, this system rapidly becomes inefficient as the number of files grows, and makes it difficult for users to organise data into related groups. In computing, a directory, catalog, or folder, is an entity in a file system which contains a group of files and other directories. ... Typical hard drives of the mid-1990s. ... A floppy disk is a data storage device that is composed of a ring of thin, flexible (i. ...

Like many small systems before it, the original Apple Macintosh featured a flat file system, called Macintosh File System. Its version of Mac OS was unusual in that the file management software (Macintosh Finder) created the illusion of a partially hierarchical filing system on top of MFS. MFS was quickly replaced with Hierarchical File System, which supported real directories. The first Macintosh computer, introduced in 1984, upgraded to a 512K Fat Mac. The Macintosh, or Mac, line of personal computers is designed, developed, manufactured, and marketed by Apple Computer. ... Macintosh File System (MFS) is a volume format (or disk file system) created by Apple Computer for storing files on 400K floppy disks. ... Mac OS, which stands for Macintosh Operating System, is a series of graphical user interface-based operating systems developed by Apple Computer for their Macintosh line of computer systems. ... The Finder is the default application program used on the Mac OS and Mac OS X operating systems that is responsible for the overall user-management of files, disks, network volumes and the launching of other applications. ... Hierarchical File System (HFS), is a file system developed by Apple Computer for use on computers running Mac OS. Originally designed for use on floppy and hard disks, it can also be found on read-only media such as CD-ROMs. ... In computing, a directory, catalog, or folder, is an entity in a file system which contains a group of files and other directories. ...



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