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=                                 OS                                 =
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                             Introduction                             
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OS, O.S., Os, O's, or os may refer to:


                              Computing                               
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* Operating system, computer system software that manages the hardware
and software of a computer
* Open source (disambiguation)
* OpenStack, a software platform for cloud computing


                               Medicine                               
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* os, a bone in French
* os or ostium, a mouth or mouth-like opening
** 'external os', the external orifice of the uterus
** 'internal os', the internal orifice of the uterus
** 'per os', meaning "ingestion by mouth"
** 'os' or 'ostium', the opening of a coronary artery
* 'O.S.' or 'OS', 'oculus sinister', meaning "left eye" in general
ophthalmologic or optometric usage, particularly  in eyeglass
prescriptions (deprecated abbreviation)
* Ohtahara syndrome, a brain disorder
* Overall survival rate, a cancer survival statistic
* Oneiroid syndrome, a dreamlike fantastic delusional state


                                People                                
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* Alexander Os (born 1980), a Norwegian biathlete
* Os du Randt (born 1972), a South African rugby player
* Os Guinness (born 1941), an English author and social critic
* For people named 'van Os' see Van Os


 Norway 
========
* Os Municipality (Innlandet), a municipality in Innlandet county,
Norway
* Os Municipality (Hordaland), a former municipality in the old
Hordaland county, Norway
* Os i Østerdalen, a village within Os Municipality in Innlandet
county, Norway
* Os, Østfold, a parish in Rakkestad Municipality in Østfold county,
Norway
* Os Church, a name for several churches in Norway


 Poland 
========
* Oś, Kluczbork County, a village in Kluczbork County, Opole
Voivodeship, Poland
* Osiedle (Os.), a Polish term used for housing subdivisions in Poland


 Germany 
=========
* Opavian Silesia, a historical subregion of Silesia (Upper Silesia)
in the Czech Republic


 Other places 
==============
* Os, Värnamo, a village in Värnamo Municipality, Småland province,
Sweden
* OS, ICAO code for airports in Syria
* OS, WMO country code for Austria


                               Religion                               
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* Ōs, an Old English word denoting a god in Anglo-Saxon paganism,
related to 'æsir'
* O.S., Order of Santiago, a Spanish order dedicated to St James the
Greater
* O.S., Order of Sikatuna, the national order of diplomatic merit of
the Philippines


                               Science                                
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* 'Ocean Science' (journal), an oceanographic journal
* Osmium, symbol Os, a chemical element


                              Businesses                              
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* Ordnance Survey, national mapping agency of Great Britain
* Austrian Airlines (IATA code OS based on its original name:
'Österreichische Luftverkehrs AG')
* O.S. Engines, a Japanese manufacturer of model aircraft engines
* Outback Steakhouse, an Australian-themed American restaurant.


                            Entertainment                             
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* "Os" ('Fringe'), an episode of the television show 'Fringe'
* 'Outlaw Star', a manga and anime series
* Prompt corner, OS, opposite prompt or stage right in a theatre


                                Sport                                 
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* Ohio State Buckeyes, a group of collegiate teams representing The
Ohio State University
* Os TF, a sports club in Os, Norway
* On-sight climbing, an ascent of a rock climbing route on the first
attempt
* Baltimore Orioles, an American baseball team nicknamed "O's"
* Leyton Orient, an English football (soccer) team nicknamed "O's"


                                Titles                                
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* Ordinary seaman, an unlicensed member of the deck department of a
merchant ship
* Ordnance sergeant, an enlisted rank in the U.S. and Confederate
armies during the American Civil War era
* Old Shirburnian, used by alumni of Sherborne School
* Old Stonyhurst, used by alumni of Stonyhurst College


                              Other uses                              
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* Esker, also os, a long, winding ridge of sand and gravel in
(formerly) glaciated regions
* Ōs (rune) (ᚩ), a rune of the Anglo-Saxon fuþorc
* Old Style (O.S.) date, indicating use of an earlier calendar (in
Anglophone countries, the Julian Calendar), as opposed to "N.S." (new
style), usually indicating use of the Gregorian Calendar
* Ossetic language (ISO 639-1 abbreviation OS)
* Object sexuality, sexual attraction to inanimate objects
* Oral sex


                               See also                               
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* 0S (disambiguation)
* ÖS (disambiguation)
* Oz (disambiguation)


 License 
=========
All content on Gopherpedia comes from Wikipedia, and is licensed under CC-BY-SA
License URL: http://creativecommons.org/licenses/by-sa/3.0/
Original Article: http://en.wikipedia.org/wiki/OS


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