DOS is shorthand for the MS-DOS and IBM PC DOS family of operating systems. DOS may also refer to:

Computing

Data over signalling Data over signalling (sometimes data over signaling) or DoS, is a technique in telecommunications in which primary data is sent over a signalling channel instead of the subscriber's bearer channel A bearer channel is a DS-0 that carries call c ...

(DoS), multiplexing data onto a signalling channel * Denial-of-service attack (DoS), an attack on a communications network * Disk operating system ** List of disk operating systems, Apple DOS, Atari DOS, DOS/360, etc. * Distributed operating system

Music

Albums

* ''Dos'' (Altered State album) * ''Dos'' (Dos album) * ''Dos'' (Fanny Lú album) * ''Dos'' (Gerardo album) * ''Dos'' (Malo album), 1972 * ''Dos'' (Myriam Hernández album), 1989 * ''Dos'', album by Wooden Shjips, 2009 * '' ¡Dos!'', album by Green Day

Other uses in music

* Dos (band), an American band * DOS (concert), by Filipino singer Daniel Padilla

Organisations

Democratic Opposition of Serbia The Democratic Opposition of Serbia ( sr, Демократска oпозиција Cрбије, Demokratska opozicija Srbije), commonly referred to as DOS, was a wide alliance of political parties in Serbia, intent on ousting the ruling Socialis ...

, a former political alliance *

Department of Space The Department of Space is an Indian government department responsible for administration of the Indian space program. It manages several agencies and institutes related to space exploration and space technologies. The Indian space program und ...

, India * Deutscher Olympischer Sportbund *

Directorate of Overseas Surveys The Ordnance Survey International or Ordnance Survey Overseas Directorate its predecessors built an archive of air photography, map and survey records for the United Kingdom from 1946 to 1999. The Ordnance Survey International Collection (formerly ...

, UK 1957–1984 *Dominus Obsequious Sororium, within cult NXIVM *

United States Department of State The United States Department of State (DOS), or State Department, is an United States federal executive departments, executive department of the Federal government of the United States, U.S. federal government responsible for the country's fore ...

Places

* Dos, a village in Vidra Commune, Romania

Science

* Density of states in physics * DOS-1 etc., Russian space station designation in the

Salyut programme The ''Salyut'' programme (russian: Салют, , meaning "salute" or "fireworks") was the first space station programme, undertaken by the Soviet Union. It involved a series of four crewed scientific research space stations and two crewed m ...

Dioctyl sebacate Dioctyl sebacate (also di(2-ethylhexyl) sebacate, commonly abbreviated as DOS, DEHS, and BEHS) is an organic compound which is the diester of sebacic acid and 2-ethylhexanol. It is an oily colorless liquid and is used as a plasticizer, includi ...

, an organic chemical *

Diversity oriented synthesis In chemistry a divergent synthesis is a strategy with the aim to improve the efficiency of chemical synthesis. It is often an alternative to convergent synthesis or linear synthesis. In one strategy divergent synthesis aims to generate a library ...

in chemistry

Sports

DOS Kampen DOS Kampen (acronym of ''Door Oefening Sterk Kampen'') is a Dutch football club based in the city of Kampen Campen or Kampen may refer to: Places Finland * Kampen, the Swedish name of Kamppi, a district in Helsinki Germany * Campen, G ...

, a Dutch football club *

VV DOS DHSC is a football club in the Ondiep district of Utrecht, Netherlands. The club plays in the 2022-23 Vierde Divisie. History VV DOS (1901–2004) Voetbalvereniging Door Oefening Sterk, in short VV DOS, was established in 1901. The club won ...

, a past Dutch football club now part of FC Utrecht

Other uses

Dos (card game) Uno (; from Spanish and Italian for 'one'; stylized as UNO) is an American shedding-type card game that is played with a specially printed deck. The game's general principles put it into the crazy eights family of card games, and it is si ...

, a variation of Uno * Dos, an Ancient Roman

dowry A dowry is a payment, such as property or money, paid by the bride's family to the groom or his family at the time of marriage. Dowry contrasts with the related concepts of bride price and dower. While bride price or bride service is a payment ...

* Day of Silence, an LGBT observance