DOS (disambiguation)

DOS, an acronym for Disk Operating System, is a common shorthand for MS-DOS, IBM PC DOS, and several compatible operating systems for personal computers.

DOS may also refer to:

Computing

Data over signalling, a telecommunications method for multiplexing data onto a signalling channel
Denial-of-service attack (DoS), a form of attack on a computer system or network
List of disk operating systems
Distributed object system
Distributed operating system
DOS/360, an IBM mainframe operating system

Canal Nou Dos, the second channel launched by Ràdio Televisió Valenciana
Castlevania: Dawn of Sorrow, a 2005 video game for the Nintendo DS
Dawn of Souls, a 2004 remake of two first games of the Final Fantasy series on Game Boy Advance
The Hobbit: The Desolation of Smaug, a 2013 epic fantasy adventure film directed by Peter Jackson

DOS (concert), the second concert by Filipino recording artist and actor, Daniel Padilla

Democratic Opposition of Serbia, a former multi-party political alliance in Serbia
Department of Space, an Indian government department responsible for administration of the Indian space programme
Deutscher Olympischer Sportbund
Directorate of Overseas Surveys, the United Kingdom's central survey and mapping organisation for British colonies and protectorates 1957–1984
United States Department of State, the Cabinet-level agency in charge of the foreign affairs of the United States

Density of states, a property in condensed matter physics
Dioctyl sebacate, an organic chemical commonly used as a plasticizer
Diversity oriented synthesis, a strategy to improve the efficiency of chemical synthesis
DOS, a designation for a series of Russian manned space stations, such as the Salyut program