dos
Pronunciation
  • IPA: /duːz/

    In music:

  • (America) IPA: /doʊz/
Noun
  1. plural form of do

DOS
Proper noun
  1. (computing) Acronym of Disk Operating System, especially: a collective term for disk(ette)-based operating systems (PC-DOS, MS-DOS, DR-DOS, Novell DOS, FreeDOS) available for IBM and IBM-compatible personal computers from the early 1980's, although the term was used before then to refer to any disk-based operating system (such as the Data General "Diskette Operating System" for their minicomputers, or for the TRS-80 DOS used when the computer was upgraded from cassette data storage to diskette).
  2. (US) Initialism of Department of State
Noun

dos (plural doses)

  1. (military) Initialism of date of service
  2. (military) Initialism of date of separation
  3. (sciences) Initialism of density of states
  4. (education) Initialism of director of studies

DoS
Noun

dos

  1. (computing, Internet) Denial of Service
  2. (teaching) Director of Studies; someone in charge of the academic side of a school including training teachers and deciding course materials.



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