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

Computing

* Data over signalling (DoS), multiplexing data onto a signalling channel *

Denial-of-service attack In computing, a denial-of-service attack (DoS attack) is a cyber-attack 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 conne ...

(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 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, 2009 * '' ¡Dos!'', album by Green Day

Other uses in music

Dos (band) dos (from the Spanish word for "two") is an American 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 and origina ...

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

Organisations

* Democratic Opposition of Serbia, 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 un ...

, 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 executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs of other na ...

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 * Dioctyl sebacate, an organic chemical * Diversity oriented synthesis in chemistry

Sports

* DOS Kampen, a Dutch football club * VV DOS, a past Dutch football club now part of FC Utrecht

Other uses

* Dos (card game), 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