DOS (disambiguation)
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 (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, a former political alliance
Department of Space, India
Deutscher Olympischer Sportbund
Directorate of Overseas Surveys, UK 1957–1984
Dominus Obsequious Sororium, within 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

See also
All pages with titles beginning with DOS
All pages with titles containing DOS
American Descendants of Slavery, ADOS or sometimes DOS
Doss (disambiguation)