System (disambiguation)

A system is a set of entities, real or abstract, comprising a whole.

System may also refer to:

Science and technology

 * Biological system, a complex network of biological entities, for instance, a group of organs
 * Ecosystem, an entity comprising a large number of organisms and their environment
 * Energy system, an interpretation of the energy sector in system terms
 * Binary system (disambiguation), term is used for multiple purposes, such as:
 * Binary system (astronomy), a system of two celestial bodies on a mutual orbit
 * Star or stellar system, is a system of any multiple number of stars
 * Planetary system, gravitationally bound non-stellar objects in or out of orbit around a star or star system
 * Satellite system (astronomy), is a set of gravitationally bound non-planetary objects in orbit of a planetary mass object or minor planet, or its barycenter
 * Ring system, is a system of cosmic dust or moonlets, forming rings around, and gravitationally bound to a host non-stellar body.
 * Physical system, that portion of the physical universe chosen for analysis
 * Thermodynamic system, a body of matter and/or radiation, confined in space by walls, with defined permeabilities, which separate it from its surroundings
 * Systems science, an interdisciplinary field that studies the nature of complex systems in nature, society, and science
 * System (stratigraphy), a unit of the geologic record of a rock column
 * Systems engineering, a field about design, integration, and management of complex systems
 * System of equations, a set of mathematical equations

Computing

 * Computer system, the combination of hardware and software which forms a complete, working computer
 * Operating system
 * , a C process control function in the C Standard Library used to execute subprocesses and commands
 * System (typeface), a raster font packaged with Microsoft Windows

Social science

 * Economic system, covering the production and distribution of goods and services
 * Social system, based on the interrelationships between individuals, groups, and institutions

Music

 * System (music notation), a collection of staves to be played simultaneously
 * System (Seal album), a 2007 album by Seal
 * "System", a song by Chester Bennington from the Queen of the Damned soundtrack
 * "System", a song by Jonathan Davis on his 2007 album Alone I Play
 * "System", a song by Labelle on their 2008 album Back to Now
 * "System", a song by Reks on his 2009 album More Grey Hairs
 * System, a Danish electronic trio consisting of Anders Remmer, Jesper Skaaning, and Thomas Knak
 * System of a Down, an Armenian-American heavy metal band also known as "System"

Other uses

 * System (journal), a scientific journal
 * System (magazine)
 * When talking about plurality or multiplicity, "system" can be used to refer to all personas (or "headmates") present in a single body, taken together as a group.