DOS DOS (, ) is a family of disk-based operating systems for IBM PC compatible computers. The DOS family primarily consists of IBM PC DOS and a rebranded version, Microsoft's MS-DOS, both of which were introduced in 1981. Later compatible syste ...

is a family of IBM PC-compatible operating systems. DOS or 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 (telecommunications), signalling channel instead of the User (telecommunications), subscriber's bear ...

(DoS), multiplexing data onto a signalling channel *

Denial-of-service attack In computing, a denial-of-service attack (DoS attack) is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host co ...

(DoS), an attack on a communications network *

Disk operating system A disk operating system (DOS) is a computer operating system that requires a disk or other direct-access storage device as secondary storage. A DOS provides a file system and a means for loading and running computer program, programs stored on th ...

List of disk operating systems called DOS This is a list of disk operating system (DOS) variants with ''DOS'' in their name. Many are (or where in the day of DOS) called simply ''DOS'' within the context of their respective community. For IBM PC compatible systems DOS variants targete ...

, Apple DOS, Atari DOS, DOS/360, etc. *

Distributed operating system A distributed operating system is system software over a collection of independent software, networked, communicating, and physically separate computational nodes. They handle jobs which are serviced by multiple CPUs. Each individual node holds a ...

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 Wooden Shjips (pronounced "ships") is an American experimental and psychedelic rock band from San Francisco, California. History The project has released one EP and seven albums. Guitarist Ripley Johnson also plays in two side projects, inc ...

, 2009 * ''

¡Dos! ''¡Dos!'' (stylized in all caps) is the tenth studio album by the American rock band Green Day. The album was released on November 9, 2012, in Australia, November 12 in the United Kingdom and on November 13 in the United States through Repri ...

'', album by Green Day

Other uses in music

Dos (band) dos (from the Spanish word for "two") is an American Rock music, rock group composed of Mike Watt and Kira Roessler, who both sing and play bass guitar. Critic Greg Prato describes their unusual instrumentation as "a haunting yet intriguing an ...

, an American rock duo * DOS (concert), by Filipino singer Daniel Padilla

Organisations

Democratic Opposition of Serbia The Democratic Opposition of Serbia ( sr-cyrl, Демократска oпозиција Cрбије, Demokratska opozicija Srbije, abbr. DOS) was a wide electoral alliance of political parties in Serbia, intent on ousting the ruling Socialist Par ...

, a former political alliance *

Department of Space The Department of Space (DoS) is an Indian government department responsible for administration of the Indian space programme. It manages several agencies and institutes related to space exploration and space technologies. The Indian space pr ...

, India *

Deutscher Olympischer Sportbund The German Olympic Sports Confederation (, DOSB) was founded on 20 May 2006 by a merger of the ''Deutscher Sportbund'' (DSB), and the ''Nationales Olympisches Komitee für Deutschland'' (NOK) which dates back to 1895, the year it was founded a ...

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 the cult

NXIVM NXIVM ( ) was a cult led by Keith Raniere, who is now a convicted Racketeering, racketeer and sex offender. NXIVM is also the name of the defunct company that Raniere founded in 1998, which provided seminars ostensibly about human potential an ...

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

Places

* Dos, a village in Vidra Commune, Romania

Science

Density of states In condensed matter physics, the density of states (DOS) of a system describes the number of allowed modes or quantum state, states per unit energy range. The density of states is defined as where N(E)\delta E is the number of states in the syste ...

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

Salyut programme The ''Salyut'' programme (, , 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 military reconnaissa ...

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, currently competing in the Eerste Klasse The Eerste Klasse () started as the 1st tier of football in the Netherlands and is now the ...

, a Dutch football club *

VV DOS DOS Holland Stichtse Boys Combinatie, commonly known as DHSC, was a Dutch association football club based in the Ondiep district of Utrecht. The team last competed in the Vierde Divisie, the fifth tier of the Dutch football league system, and ...

, a past Dutch football club now part of FC Utrecht

Other uses

Dos (card game) DOS is a family of IBM PC-compatible operating systems. DOS or Dos may also refer to: Computing * Data over signalling (DoS), multiplexing data onto a signalling channel * Denial-of-service attack (DoS), an attack on a communications networ ...

, a variation of Uno * Dos, an Ancient Roman

dowry A dowry is a payment such as land, property, money, livestock, or a commercial asset that is paid by the bride's (woman's) family to the groom (man) or his family at the time of marriage. Dowry contrasts with the related concepts of bride price ...

Day of Silence Day of Silence is an annual day of action organized by GLSEN (Gay, Lesbian & Straight Education Network) to spread awareness about the effects of the bullying and harassment of lesbian, gay, bisexual, transgender, queer, and questioning (LGB ...

, an LGBT observance