:MOS#Spaces following terminal punctuation

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MOS or Mos may refer to:

Technology

MOSFET (metal–oxide–semiconductor field-effect transistor), also known as the MOS transistor
Mathematical Optimization Society
Model output statistics, a weather-forecasting technique
MOS (filmmaking), a filmmaking jargon acronym
Mobile operating system, operating systems for mobile devices

Acorn MOS, an operating system used in the Acorn BBC computer range
Media Object Server, a protocol used in newsroom computer systems
Mean opinion score, a measure of the perceived quality of a signal
MOS (operating system), a Soviet Unix clone
My Oracle Support, a support site for the users of Oracle Corporation products, known until October 2010 as "MetaLink"
macOS, an operating system for Macs

Master of the Sword, the title for the head of physical education at the U.S. Military Academy at West Point
Member of Service, any emergency responder (police officer, firefighter, emergency medical technician) that needs emergency help, usually over two-way radio
Military occupation specialty code, used by the U.S. military to identify a specific job
Ministry of Supply, former British government ministry that co-ordinated military supplies
Ministry of Security (Puntland), Somali government ministry responsible for security in the Puntland regions

Ma On Shan (town), a town in the New Territories of Hong Kong
Ma On Shan station, MTR station code
Mos, Spain, a municipality in Galicia, Spain in the province of Pontevedra
Museum of Science (Boston) (MoS), a Boston, Massachusetts landmark, located in Science Park, a plot of land spanning the Charles River, USA

Mos, an uncommon singular form of mores, widely observed social norms (from Latin {{lang|la|mos}} and {{lang|la|mōrēs}})
Mos, a traditional dish of the Nivkh people
Mos language, an aboriginal Mon–Khmer language of Malaya and Thailand
Mannan oligosaccharide-based nutritional supplements
Manual of style, also known a style guide or stylebook; a guide for writing and sometimes also for layout and typography
Margin on services, a financial reporting method for Australian life insurance companies
Moment of symmetry, in music, same as well formed generated collection
MOS (gene), gene for a human protein expressed in testis during sperm formation
MOS, German vehicle registration plate district code for Neckar-Odenwald-Kreis
"Man on the street" ({{lang|la|vox populi}}) segments in broadcasting
Mossi language ISO 639 alpha-2 language code
Morvan Syndrome (MoS) though usually referred to as MVS
MOS, minimum operating segment of a transportation system
Mos, nickname of Thai singer Patiparn Patavekarn, also referred to as Mos Patiparn
MoS, Motorways of the Sea, is a concept in the transport policy of the European Union