F.S.
FS, fS or fs may refer to:
Arts and entertainment
- FS (musician) (real name Fred Sargolini), American dubstep producer and DJ from New York
- FS Catalogue, a numbered list of all compositions by Carl Nielsen
- FS Film, a Finnish film distributor
- Flight simulator, a professional simulator of planes
- Flight simulation video game, a video game version of simulators
- Microsoft Flight Simulator, an amateur flight simulator series
- Microsoft Flight Simulator X (FSX), the 2006 edition
- Microsoft Flight Simulator (2020 video game) (FS), the 2020 edition
- Microsoft Flight Simulator, an amateur flight simulator series
- Flight simulation video game, a video game version of simulators
- Fox Sports (United States), the sports programming division of Fox Corporation
- Fox Sports 1 (FS1)
- Fox Sports 2 (FS2)
Businesses and organizations
- Fagoppositionens Sammenslutning, a Danish trade union federation
- FamilySearch, a genealogical organization and website
- Farmers' and Settlers' Association of New South Wales (F & S), Australia
- Fortune Systems, a defunct American computer manufacturer
- Frankfurt School of Finance & Management, a business school in Frankfurt, Germany
- FS Services, an agricultural supply cooperative, now Growmark
- Full Sail University, a university in Florida, US
- Future Shop, a defunct Canadian consumer electronics retailer
Transportation
- Ferrocarril de Sóller, a railway on Majorca
- Ferrovie dello Stato, Italian state railways
- Trenitalia, its subsidiary for operating passenger rail transport
- First ScotRail, a British rail train operator
- ItAli Airlines (former IATA code: FS), a former Italian airline (2003-2011)
- Flyr (airline) (former IATA code: FS), a former Norwegian airline (2020-2023)
Science and technology
- Feldspar, a group of silicate minerals
- Fin-stabilized projectile, such as the APFSDS or HEAT-FS
- Flank speed, a ship's true maximum speed
- Frameshift mutation, a genetic mutation
- Fujita scale (F-Scale), or Fujita-Pearson scale, a scale for rating tornado intensity
- Full scale, in electronics and signal processing, the maximum amplitude a system can present
- Marine flooding surface, a sharp contact between deep-water and shallow-water facies in sequence stratigraphy
- Sampling rate (symbol ), in communications theory
- Fourier series, a mathematical tool used for analyzing periodic functions
Computing
- FS register, in X86fs computer architecture
- File Separator, a character in the C0 and C1 control codes
- File server, a form of disk storage
- File system, in computer science and database theory
- Flipnote Studio, a DSi animation software
- Forward secrecy, a property of cryptographic systems
- Fullscreen, a picture format in 4:3 aspect ratio, as opposed to widescreen
- IBM Future Systems project a failed IBM project to develop a computer line to replace System/360
- Feature structure, a set of attribute–value pairs
Medicine
- Felty's syndrome, autoimmune disease, with rheumatoid arthritis, enlargement of the spleen and too few neutrophils in the blood
- Fibrin sealant, a type of surgical tissue adhesive used during surgery to control bleeding
- Flight Surgeon, a physician who is responsible for the medical evaluation, certification and treatment of aviation personnel
- Fractional shortening, of the heart
- Formularium Slovenicum, Slovenian addendum to the European Pharmacopoeia
Physics
- Femtosecond (fs), an SI unit of time
- Siemens (unit) Femtosiemens, an SI unit of electric conductance
- Fine structure, in atomic physics
Military
- Freight and supply ship (FS), a US Army classification for a type of cargo ship
- Fire support, artillery or close air support for combat operations
- Flight Sergeant, a non-commissioned officer in some air forces
- Flight Surgeon, physician primarily responsible for the medical evaluation, certification and treatment of aviation personnel
- French Ship (FS), a NATO prefix for ships of the French Navy
Sport
- Free safety, one variation of the defensive back position in American football
- Free skating, the second part of a figure skating competition
- Formula Student, a student engineering competition held annually in the UK
Other uses
- Federal Standard 595, a United States federal standard defining color shades
- Financial Secretary (Hong Kong)
- For Sale (disambiguation)
- Foundation Stage, term used for early childhood education in the UK
- Franco's Spain, Spain under the leadership of Francisco Franco
- French Southern Territories (FIPS PUB 10-4 territory code); excludes the Terre Adélie portion of Antarctica
- Full service (disambiguation)
This disambiguation page lists articles associated with the title FS.
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