FS, fS or fs may refer to:

Arts and entertainment

FS (musician) FS (real name Fred Sargolini) is an American dubstep producer and Disc jockey, DJ from New York City.

(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 flight simulator is a device that artificially re-creates aircraft flight and the environment in which it flies, for pilot training, design, or other purposes. It includes replicating the equations that govern how aircraft fly, how they rea ...

, a professional simulator of planes ** Flight simulation video game, a video game version of simulators *** ''

Microsoft Flight Simulator ''Microsoft Flight Simulator'' is a series of Flight simulation video game, flight simulator programs for MS-DOS, Classic Mac OS, and Microsoft Windows operating systems. It was an early product in the Microsoft application portfolio and diff ...

'', an amateur flight simulator series **** ''

Microsoft Flight Simulator X ''Microsoft Flight Simulator X'' (''FSX'') is a 2006 flight simulation video game originally developed by Aces Game Studio and published by Microsoft Game Studios for Microsoft Windows. It is the sequel to '' Microsoft Flight Simulator 2004 ...

'' (''FSX''), the 2006 edition **** ''Microsoft Flight Simulator'' (2020 video game) (''FS''), the 2020 edition *

Fox Sports (United States) The Fox Sports Media Group is the American sports programming division of Fox Corporation that is responsible for sports broadcasts carried by the Fox Broadcasting Company, as well as operating television networks Fox Sports 1 (FS1) and Fox Sp ...

, the sports programming division of Fox Corporation **

Fox Sports 1 Fox Sports 1 (branded on-air as FS1) is an American pay television television channel, channel owned by the Fox Sports (United States), Fox Sports Media Group, a unit of Fox Corporation. FS1 airs an array of live sporting events, including Majo ...

(FS1) ** Fox Sports 2 (FS2)

Businesses and organizations

* Fagoppositionens Sammenslutning, a Danish trade union federation *

FamilySearch FamilySearch is a nonprofit organization and website offering genealogical records, education, and software. It is operated by the Church of Jesus Christ of Latter-day Saints and is part of the Church's Family History Department (FHD). The Fami ...

, a genealogical organization and website * Farmers' and Settlers' Association of New South Wales (F & S), Australia *

Fortune Systems Fortune Systems Corporation, later Tigera Group, Inc. and Connectivity Technologies, Inc., was an American computer hardware and software company active from 1980 to 2011. The company existed as a manufacturer of Unix workstations between 1980 and ...

, 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 Full Sail University is a Private university, private For-profit higher education in the United States, for-profit university in Winter Park, Florida. It was formerly a recording studio in Ohio named Full Sail Productions and Full Sail Center f ...

, a university in Florida, US * Future Shop, a defunct Canadian consumer electronics retailer

Transportation

* Ferrocarril de Sóller, a railway on Majorca *

Ferrovie dello Stato Ferrovie dello Stato Italiane S.p.A. (; ; previously only Ferrovie dello Stato, hence the initialism FS) is Italy's national state-owned enterprise, state-owned railway holding company that manages transport, infrastructure, real estate service ...

, Italian state railways **

Trenitalia Trenitalia Società per azioni, SpA is the primary train operator of Italy. A subsidiary of Ferrovie dello Stato Italiane, itself owned by the Italian government. It was established in 2000 following a European Union directive on the deregulati ...

, its subsidiary for operating passenger rail transport *

First ScotRail First ScotRail was a train operating company in Scotland owned by FirstGroup. It operated the ScotRail franchise between October 2004 and March 2015. On 17 October 2004, First ScotRail took over operations from the incumbent franchisee, ScotRai ...

, 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 Feldspar ( ; sometimes spelled felspar) is a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium. The most common members of the feldspar group are the ''plagiocl ...

, a group of silicate minerals * Fin-stabilized projectile, such as the APFSDS or

HEAT In thermodynamics, heat is energy in transfer between a thermodynamic system and its surroundings by such mechanisms as thermal conduction, electromagnetic radiation, and friction, which are microscopic in nature, involving sub-atomic, ato ...

-FS *

Flank speed Flank speed is an American nautical term referring to a ship's true maximum speed but it is not equivalent to the term ''full speed ahead''. Usually, flank speed is reserved for situations in which a ship finds itself in imminent danger, such as ...

, a ship's true maximum speed *

Frameshift mutation A frameshift mutation (also called a framing error or a reading frame shift) is a genetic mutation caused by indels ( insertions or deletions) of a number of nucleotides in a DNA sequence that is not divisible by three. Due to the triplet natur ...

, a genetic mutation *

Fujita scale The Fujita scale (F-Scale; ), or Fujita–Pearson scale (FPP scale), is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation. The official Fujita scale category is determ ...

(F-Scale), or Fujita-Pearson scale, a scale for rating tornado intensity *

Full scale In electronics and signal processing, full scale represents the maximum amplitude a system can represent. In digital systems, a signal is said to be at digital full scale when its magnitude has reached the maximum representable value. Once a si ...

, 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 In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave to a sequence of "samples". A sample is a value of the signal at a point in time and/or s ...

(symbol

f_s

), in communications theory *

Fourier series A Fourier series () is an Series expansion, expansion of a periodic function into a sum of trigonometric functions. The Fourier series is an example of a trigonometric series. By expressing a function as a sum of sines and cosines, many problems ...

, 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 The C0 and C1 control code or control character sets define control codes for use in text by computer systems that use ASCII and derivatives of ASCII. The codes represent additional information about the text, such as the position of a cursor, ...

File server In computing, a file server (or fileserver) is a computer attached to a network that provides a location for shared disk access, i.e. storage of computer files (such as text, image, sound, video) that can be accessed by workstations within a co ...

, a form of disk storage * File system, in computer science and database theory * Flipnote Studio, a DSi animation software *

Forward secrecy In cryptography, forward secrecy (FS), also known as perfect forward secrecy (PFS), is a feature of specific key-agreement protocols that gives assurances that session keys will not be compromised even if long-term secrets used in the session ke ...

, 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 A ventricle is one of two large chambers located toward the bottom of the heart that collect and expel blood towards the peripheral beds within the body and lungs. The blood pumped by a ventricle is supplied by an atrium (heart), atrium, an adjace ...

, of the heart * '' Formularium Slovenicum'', Slovenian addendum to the European Pharmacopoeia

Physics

Femtosecond A femtosecond is a unit of time in the International System of Units (SI) equal to 10 or of a second; that is, one quadrillionth, or one millionth of one billionth, of a second. A femtosecond is to a second, as a second is to approximately 31.6 ...

(fs), an SI unit of time *

Siemens (unit) The siemens (symbol: S) is the unit of electric conductance, electric susceptance, and electric admittance in the International System of Units (SI). Conductance, susceptance, and admittance are the reciprocals of resistance, reactance, an ...

Femtosiemens, an SI unit of electric conductance *

Fine structure In atomic physics, the fine structure describes the splitting of the spectral lines of atoms due to electron spin and relativistic corrections to the non-relativistic Schrödinger equation. It was first measured precisely for the hydrogen atom ...

, in atomic physics

Military

* Freight and supply ship (FS), a US Army classification for a type of

cargo ship A cargo ship or freighter is a merchant ship that carries cargo, goods, and materials from one port to another. Thousands of cargo carriers ply the world's List of seas, seas and Ocean, oceans each year, handling the bulk of international trade. ...

Fire support Fire support is a military tactics term used to describe weapons fire used to support friendly forces by engaging, suppressing, or destroying enemy forces, facilities, or materiel in combat. It is often provided through indirect fire, though th ...

, 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 The French Navy (, , ), informally (, ), is the Navy, maritime arm of the French Armed Forces and one of the four military service branches of History of France, France. It is among the largest and most powerful List of navies, naval forces i ...

Sport

Free safety Safety (S), historically known as a safetyman, is a position in gridiron football on the American football positions#Defense, defense. The safeties are defensive backs who line up ten to fifteen yards from the line of scrimmage. There are two var ...

, one variation of the defensive back position in American football *

Free skating The free skating segment of figure skating, also called the free skate and the long program, is the second of two segments of competitions, skated after the short program. Its duration, across all disciplines, is four minutes for senior skaters ...

, the second part of a figure skating competition * Formula Student, a student engineering competition held annually in the UK

Other uses

Federal Standard 595 Federal Standard 595, known as SAE AMS-STD-595 – Colors Used in Government Procurement, formerly FED-STD-595, is a United States Federal Standard for colors, issued by the General Services Administration. History FED-STD-595, 595A, and 5 ...

, a United States federal standard defining color shades * Financial Secretary (Hong Kong) * For Sale (disambiguation) *

Foundation Stage Foundation Stage is the British government label for the education of pupils aged 2 to 5 in England. In Northern Ireland, it is also used to refer to the first two years of compulsory education for pupils aged 4 to 6. England Foundation Stage 1 tak ...

, term used for early childhood education in the UK * Franco's Spain, Spain under the leadership of Francisco Franco *

French Southern Territories The French Southern and Antarctic Lands (, TAAF) is an overseas territory ( or ) of France. It consists of: * Adélie Land (), the French claim on the continent of Antarctica. * Crozet Islands (), a group in the southern Indian Ocean, south o ...

(FIPS PUB 10-4 territory code); excludes the Terre Adélie portion of Antarctica *

Full service (disambiguation) Full service or Full Service may refer to: Entertainment Books * ''Full Service'' (book), a 2012 memoir by Scotty Bowers * '' Full Service No Waiting'', a 1998 album by Peter Case Music * "Full Service", a song by the New Kids on the Block fr ...

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