Dos

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 network
 * Disk operating system
 * List of disk operating systems, Apple DOS, Atari DOS, DOS/360, etc.
 * Distributed operating system

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

Organisations

 * Democratic Opposition of Serbia, a former political alliance
 * Department of Space, India
 * Deutscher Olympischer Sportbund
 * Directorate of Overseas Surveys, UK 1957–1984
 * Dominus Obsequious Sororium, within the cult NXIVM
 * United States Department of State

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
 * Day of Silence, an LGBT observance
 * The number 2