Dos or DOS may refer to:
Computing Disk operating system List of disk operating systems called DOS DOS, common shorthand for MS-DOS and compatible operating systems Data over signalling (DoS), multiplexing data onto a signalling channel Denial-of-service attack (DoS attack), a cyberattack
Music dos (band), an American rock duo Dos (Dos album), 1986 Dos (Altered State album), 1993 Dos (Fanny Lú album), 2008 Dos, a 1992 album by Gerardo ¡Dos!, a 2012 album by Green Day Dos (Malo album), 1972 Dos (Myriam Hernández album), 1990 Dos, a 2009b album by Wooden Shjips DOS (concert), by Daniel Padilla, 2014
Organisations Democratic Opposition of Serbia, a former political alliance Department of Space, an Indian government department Directorate of Overseas Surveys, now Ordnance Survey International, in the UK Dominus Obsequious Sororium, a cult of NXIVM formed by Keith Raniere United States Department of State
Science and technology Density of states, in condensed matter physics DOS, a series of Russian space stations 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 Dos, a village in Vidra Commune, Romania
Day of Silence, an LGBT observance
See also
American Descendants of Slavery (ADOS) Doss (disambiguation) Do (disambiguation), for the singular of dos Uno, dos, tres (disambiguation)