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Computer file

Index Computer file

A computer file is a computer resource for recording data discretely in a computer storage device. [1]

91 relations: Abstraction (computer science), ALGOL 60, Archive file, ASCII, Backup, Backup rotation scheme, Binary large object, Bit field, Block (data storage), Burroughs large systems, Burroughs MCP, Byte, Close (system call), Command-line interface, Compact disc, Compatible Time-Sharing System, Computer data storage, Computer program, CP/M, Data (computing), Data conversion, Data hierarchy, Data recovery, Data remanence, Design of the FAT file system, Digital container format, Digital video, Directory (computing), Disk editor, Disk sector, DVD, Executable, Extended file attributes, File Allocation Table, File attribute, File Control Block, File copying, File deletion, File descriptor, File Explorer, File format, File manager, File system, File system permissions, Filename, Filename extension, Flat file database, Fork (file system), Hard copy, Hard disk drive, ..., Hard link, Hidden file and hidden directory, History of IBM magnetic disk drives, Kernel (operating system), List of file formats, Magnetic tape, Metadata, Microsoft Windows, Microsoft Word, MS-DOS, Non-volatile memory, NTFS, Null device, Object composition, Opaque data type, Open (system call), Operating system, Popular Science, Punched card, Random-access memory, RCA, Read (system call), Register file, Rename (computing), Rm (Unix), Row (database), Sidecar file, Solid-state drive, Steganography, Substitute character, System resource, Track (disk drive), Unicode, Unix-like, USB flash drive, User space, UTF-8, Word processor, Write (system call), Zero-byte file, Zip drive. Expand index (41 more) »

Abstraction (computer science)

In software engineering and computer science, abstraction is.

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ALGOL 60 (short for Algorithmic Language 1960) is a member of the ALGOL family of computer programming languages.

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Archive file

An archive file is a file that is composed of one or more computer files along with metadata........

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ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.

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In information technology, a backup, or the process of backing up, refers to the copying into an archive file of computer data so it may be used to restore the original after a data loss event.

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Backup rotation scheme

A backup rotation scheme is a system of backing up data to computer media (such as tapes) that minimizes, by re-use, the number of media used.

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Binary large object

A Binary Large OBject (BLOB) is a collection of binary data stored as a single entity in a database management system.

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Bit field

A bit field is a data structure used in computer programming.

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Block (data storage)

In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length, a block size.

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Burroughs large systems

In the 1970s, Burroughs Corporation was organized into three divisions with very different product line architectures for high-end, mid-range, and entry-level business computer systems.

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Burroughs MCP

The MCP (Master Control Program) is the proprietary operating system of the Burroughs small, medium and large systems, including the Unisys Clearpath/MCP systems.

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The byte is a unit of digital information that most commonly consists of eight bits, representing a binary number.

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Close (system call)

For most file systems, a program terminates access to a file in a filesystem using the close system call.

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Command-line interface

A command-line interface or command language interpreter (CLI), also known as command-line user interface, console user interface and character user interface (CUI), is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).

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Compact disc

Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982.

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Compatible Time-Sharing System

The Compatible Time-Sharing System (CTSS), was one of the first time-sharing operating systems; it was developed at the MIT Computation Center.

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Computer data storage

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data.

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Computer program

A computer program is a collection of instructions for performing a specific task that is designed to solve a specific class of problems.

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CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc.

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Data (computing)

Data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols given meaning by specific act(s) of interpretation.

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Data conversion

Data conversion is the conversion of computer data from one format to another.

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Data hierarchy

Data hierarchy refers to the systematic organization of data, often in a hierarchical form.

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Data recovery

In computing, data recovery is a process of salvaging (retrieving) inaccessible, lost, corrupted, damaged or formatted data from secondary storage, removable media or files, when the data stored in them cannot be accessed in a normal way.

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Data remanence

Data remanence is the residual representation of digital data that remains even after attempts have been made to remove or erase the data.

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Design of the FAT file system

A FAT file system is a specific type of computer file system architecture and a family of industry-standard file systems utilizing it.

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Digital container format

A container or wrapper format is a metafile format whose specification describes how different elements of data and metadata coexist in a computer file.

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Digital video

Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data.

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Directory (computing)

In computing, a directory is a file system cataloging structure which contains references to other computer files, and possibly other directories.

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Disk editor

A disk editor is a computer program that allows its user to read, edit, and write raw data (at character or hexadecimal, byte-levels) on disk drives (e.g., hard disks, USB flash disks or removable media such as a floppy disks); as such, they are sometimes called sector editors, since the read/write routines built into the electronics of most disk drives require to read/write data in chunks of sectors (usually 512 bytes).

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Disk sector

In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc.

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DVD (an abbreviation of "digital video disc" or "digital versatile disc") is a digital optical disc storage format invented and developed by Philips and Sony in 1995.

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In computing, executable code or an executable file or executable program, sometimes simply referred to as an executable or binary, causes a computer "to perform indicated tasks according to encoded instructions," as opposed to a data file that must be parsed by a program to be meaningful.

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Extended file attributes

Extended file attributes are file system features that enable users to associate computer files with metadata not interpreted by the filesystem, whereas regular attributes have a purpose strictly defined by the filesystem (such as permissions or records of creation and modification times).

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File Allocation Table

File Allocation Table (FAT) is a computer file system architecture and a family of industry-standard file systems utilizing it.

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File attribute

File attributes are metadata associated with computer files that define file system behavior.

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File Control Block

A File Control Block (FCB) is a file system structure in which the state of an open file is maintained.

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File copying

In digital file management, file copying is the creation of a new file which has the same content as an existing file.

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File deletion

File deletion is a way of removing a file from a computer's file system.

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File descriptor

In Unix and related computer operating systems, a file descriptor (FD, less frequently fildes) is an abstract indicator (handle) used to access a file or other input/output resource, such as a pipe or network socket.

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File Explorer

File Explorer, previously known as Windows Explorer, is a file manager application that is included with releases of the Microsoft Windows operating system from Windows 95 onwards.

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File format

A file format is a standard way that information is encoded for storage in a computer file.

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File manager

A file manager or file browser is a computer program that provides a user interface to manage files and folders.

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File system

In computing, a file system or filesystem controls how data is stored and retrieved.

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File system permissions

Most file systems have methods to assign permissions or access rights to specific users and groups of users.

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A filename (also written as two words, file name) is a name used to uniquely identify a computer file stored in a file system.

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Filename extension

A filename extension is an identifier specified as a suffix to the name of a computer file.

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Flat file database

A flat file database is a database stored as an ordinary unstructured file called a "flat file".

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Fork (file system)

In a computer file system, a fork is a set of data associated with a file system object.

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Hard copy

In information handling, the U.S. Federal Standard 1037C (Glossary of Telecommunication Terms) defines a hard copy as a permanent reproduction, or copy, in the form of a physical object, of any media suitable for direct use by a person (in particular paper), of displayed or transmitted data.

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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Hard link

In computing, a hard link is a directory entry that associates a name with a file on a file system.

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Hidden file and hidden directory

In computing, a hidden folder (sometimes hidden directory) or hidden file is a folder or file which filesystem utilities do not display by default when showing a directory listing.

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History of IBM magnetic disk drives

IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi.

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Kernel (operating system)

The kernel is a computer program that is the core of a computer's operating system, with complete control over everything in the system.

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List of file formats

This is a list of file formats used by computers, organized by type.

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Magnetic tape

Magnetic tape is a medium for magnetic recording, made of a thin, magnetizable coating on a long, narrow strip of plastic film.

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Metadata is "data that provides information about other data".

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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Microsoft Word

Microsoft Word (or simply Word) is a word processor developed by Microsoft.

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MS-DOS (acronym for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft.

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Non-volatile memory

Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retrieve stored information even after having been power cycled.

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NTFS (New Technology File System) is a proprietary file system developed by Microsoft.

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Null device

In some operating systems, the null device is a device file that discards all data written to it but reports that the write operation succeeded.

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Object composition

In computer science, object composition (not to be confused with function composition) is a way to combine simple objects or data types into more complex ones.

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Opaque data type

In computer science, an opaque data type is a data type whose concrete data structure is not defined in an interface.

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Open (system call)

For most file systems, a program initializes access to a file in a file system using the open system call.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Popular Science

Popular Science (also known as PopSci) is an American quarterly magazine carrying popular science content, which refers to articles for the general reader on science and technology subjects.

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Punched card

A punched card or punch card is a piece of stiff paper that can be used to contain digital data represented by the presence or absence of holes in predefined positions.

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Random-access memory

Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.

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The RCA Corporation was a major American electronics company, which was founded as the Radio Corporation of America in 1919.

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Read (system call)

In modern POSIX compliant operating systems, a program that needs to access data from a file stored in a file system uses the read system call.

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Register file

A register file is an array of processor registers in a central processing unit (CPU).

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Rename (computing)

In computing, rename refers to the altering of a name of a file.

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Rm (Unix)

rm (short for remove) is a basic UNIX command used to remove objects such as files, directories and symbolic links from filesystems and also special files such as device nodes, pipes and sockets.

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Row (database)

In the context of a relational database, a row—also called a tuple—represents a single, implicitly structured data item in a table.

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Sidecar file

Sidecar files, also known as buddy files or connected files, are computer files that store data (often metadata) which is not supported by the format of a source file.

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Solid-state drive

A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies as memory to store data persistently.

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Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video.

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Substitute character

A substitute character (␚) is a control character that is used in the place of a character that is recognized to be invalid or erroneous, or that cannot be represented on a given device.

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System resource

In computing, a system resource, or simply resource, is any physical or virtual component of limited availability within a computer system.

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Track (disk drive)

A disk drive track is a circular path on the surface of a disk or diskette on which information is magnetically recorded and from which recorded information is read.

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Unicode is a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems.

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A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.

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USB flash drive

A USB flash drive, also variously known as a thumb drive, pen drive, gig stick, flash stick, jump drive, disk key, disk on key (after the original M-Systems DiskOnKey drive from 2000), flash-drive, memory stick (not to be confused with the Sony Memory Stick), USB stick or USB memory, is a data storage device that includes flash memory with an integrated USB interface.

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User space

A modern computer operating system usually segregates virtual memory into kernel space and user space.

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UTF-8 is a variable width character encoding capable of encoding all 1,112,064 valid code points in Unicode using one to four 8-bit bytes.

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Word processor

A word processor is a computer program or device that provides for input, editing, formatting and output of text, often plus other features.

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Write (system call)

The write is one of the most basic routines provided by a Unix-like operating system kernel.

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Zero-byte file

A zero byte file or zero length file is a computer file containing no data; that is, it has a length or size of zero bytes.

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Zip drive

The Zip drive is a removable floppy disk storage system that was introduced by Iomega in late 1994.

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Computer files, Digital file, Electronic file, Electronic files, File (computer science), File (computer), File (computers), File (computing), File operation, Files (computer).


[1] https://en.wikipedia.org/wiki/Computer_file

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