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Daemon (computing)

Index Daemon (computing)

In multitasking computer operating systems, a daemon is a computer program that runs as a background process, rather than being under the direct control of an interactive user. [1]

64 relations: Background process, Backronym, Berkeley Software Distribution, Booting, Bounce message, BSD Daemon, Classic Mac OS, Command-line interface, Computer multitasking, Computer program, Computer terminal, Control Panel (Windows), Cron, Daemon (classical mythology), DOS, Evi Nemeth, Exit (system call), Extension (Mac OS), Fernando J. Corbató, File descriptor, Fork (system call), IBM, Inetd, Init, Jargon File, Launchd, List of computer term etymologies, List of Unix daemons, Log file, MacOS, Maxwell's demon, MIT Computer Science and Artificial Intelligence Laboratory, Network service, Null device, Operating system, Parent process, Plato, PowerShell, Process group, Root directory, Satanism, Secure Shell, Service Control Manager, Service wrapper, Socrates, Standard streams, Super-server, Syslog, System console, System Preferences, ..., Systemd, SystemStarter, Terminate and stay resident program, Theages, Umask, Underworld, Universal Time-Sharing System, Unix, User space, Web service, Windows NT, Windows service, Working directory, Z/OS. Expand index (14 more) »

Background process

A background process is a computer process that runs behind the scenes (i.e., in the background) and without user intervention.

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A backronym, or bacronym, is a constructed phrase that purports to be the source of a word that is an acronym.

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Berkeley Software Distribution

Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.

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In computing, booting is starting up a computer or computer appliance until it can be used.

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Bounce message

A bounce message or just "bounce" is an automated message from a mail system, informing the sender of a previous message that that message had not been delivered (or some other delivery problem occurred).

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BSD Daemon

The BSD Daemon, nicknamed Beastie, is the generic mascot of BSD operating systems.

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Classic Mac OS

Classic Mac OS is a colloquial term used to describe a series of operating systems developed for the Macintosh family of personal computers by Apple Inc. from 1984 until 2001.

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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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Computer multitasking

In computing, multitasking is the concurrent execution of multiple tasks (also known as processes) over a certain period of time.

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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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Computer terminal

A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying or printing data from, a computer or a computing system.

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Control Panel (Windows)

The Control Panel is a component of Microsoft Windows that provides the ability to view and change system settings.

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The software utility cron is a time-based job scheduler in Unix-like computer operating systems.

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Daemon (classical mythology)

Daemon is the Latin word for the Ancient Greek daimon (δαίμων: "god", "godlike", "power", "fate"), which originally referred to a lesser deity or guiding spirit; the daemons of ancient Greek religion and mythology and of later Hellenistic religion and philosophy.

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DOS is a family of disk operating systems.

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Evi Nemeth

Evi Nemeth (born June 7, 1940 – missing-at-sea June or July, 2013) was an engineer, author, and teacher known for her expertise in computer system administration and networks.

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Exit (system call)

On many computer operating systems, a computer process terminates its execution by making an exit system call.

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Extension (Mac OS)

On the classic Mac OS (the original Apple Macintosh operating system), extensions were small pieces of code that extended the system's functionality.

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Fernando J. Corbató

Fernando José "Corby" Corbató (born July 1, 1926) is a prominent American computer scientist, notable as a pioneer in the development of time-sharing operating systems.

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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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Fork (system call)

In computing, particularly in the context of the Unix operating system and its workalikes, fork is an operation whereby a process creates a copy of itself.

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The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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inetd (internet service daemon) is a super-server daemon on many Unix systems that provides Internet services.

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In Unix-based computer operating systems, init (short for initialization) is the first process started during booting of the computer system.

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Jargon File

The Jargon File is a glossary and usage dictionary of slang used by computer programmers.

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In computing, launchd, a unified service-management framework, starts, stops and manages daemons, applications, processes, and scripts in macOS.

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List of computer term etymologies

This is a list of the origins of computer-related terms or terms used in the computing world (i.e., a list of computer term etymologies).

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List of Unix daemons

This is a list of Unix daemons that are found on various Unix-like operating systems.

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Log file

In computing, a log file is a file that records either events that occur in an operating system or other software runs, or messages between different users of a communication software.

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macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.

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Maxwell's demon

In the philosophy of thermal and statistical physics, Maxwell's demon is a thought experiment created by the physicist James Clerk Maxwell in which he suggested how the second law of thermodynamics might hypothetically be violated.

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MIT Computer Science and Artificial Intelligence Laboratory

MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) is a research institute at the Massachusetts Institute of Technology formed by the 2003 merger of the Laboratory for Computer Science and the Artificial Intelligence Laboratory.

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Network service

In computer networking, a network service is an application running at the network application layer and above, that provides data storage, manipulation, presentation, communication or other capability which is often implemented using a client-server or peer-to-peer architecture based on application layer network protocols.

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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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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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Parent process

In computing, a parent process is a process that has created one or more child processes.

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Plato (Πλάτων Plátōn, in Classical Attic; 428/427 or 424/423 – 348/347 BC) was a philosopher in Classical Greece and the founder of the Academy in Athens, the first institution of higher learning in the Western world.

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PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language.

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Process group

In a POSIX-conformant operating system, a process group denotes a collection of one or more processes.

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Root directory

In a computer file system, and primarily used in the Unix and Unix-like operating systems, the root directory is the first or top-most directory in a hierarchy.

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Satanism is a group of ideological and philosophical beliefs based on Satan.

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Secure Shell

Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network.

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Service Control Manager

Service Control Manager (SCM) is a special system process under the Windows NT family of operating systems, which starts, stops and interacts with Windows service processes.

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Service wrapper

A service wrapper is a computer program that wraps arbitrary programs thus enabling them to be installed and run as Windows Services or Unix daemons, programs that run in the background, rather than under the direct control of a user.

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Socrates (Sōkrátēs,; – 399 BC) was a classical Greek (Athenian) philosopher credited as one of the founders of Western philosophy, and as being the first moral philosopher, of the Western ethical tradition of thought.

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Standard streams

In computer programming, standard streams are preconnected input and output communication channels between a computer program and its environment when it begins execution.

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A super-server or sometimes called a service dispatcher is a type of daemon run generally on Unix-like systems.

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In computing, syslog is a standard for message logging.

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System console

The system console, computer console, root console, operator's console, or simply console is the text entry and display device for system administration messages, particularly those from the BIOS or boot loader, the kernel, from the init system and from the system logger.

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System Preferences

System Preferences is an application included with the macOS operating system that allows users to modify various system settings which are divided into separate Preference Panes.

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systemd is a suite of software that provides fundamental building blocks for a Linux operating system.

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SystemStarter is a system program in Mac OS X, started by Mac OS X's BSD-style init prior to Mac OS X v10.4 and by launchd in Mac OS X v10.4 and later releases, that starts system processes specified by a set of property lists.

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Terminate and stay resident program

Regarding computers, a terminate and stay resident program (commonly referred to by the initialism TSR) is a computer program that uses a system call in DOS operating systems to return control of the computer to the operating system, as though the program has quit, but stays resident in computer memory so it can be reactivated by a hardware or software interrupt.

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Theages (Θεάγης) is a dialogue attributed to Plato, featuring Demodocus, Socrates and Theages.

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In computing, umask is a command that determines the settings of a mask that controls how file permissions are set for newly created files.

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The underworld is the world of the dead in various religious traditions, located below the world of the living.

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Universal Time-Sharing System

The Universal Time-Sharing System (UTS) was an operating system for the XDS Sigma series of computers, succeeding Batch Processing Monitor (BPM)/Batch Time-Sharing Monitor (BTM).

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Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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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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Web service

The term web service is either.

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Windows NT

Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

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Windows service

In Windows NT operating systems, a Windows service is a computer program that operates in the background.

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Working directory

In computing, the working directory of a process is a directory of a hierarchical file system, if any, dynamically associated with each process.

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z/OS is a 64-bit operating system for IBM mainframes, produced by IBM.

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[1] https://en.wikipedia.org/wiki/Daemon_(computing)

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