FS, fS or fs may refer to:

Arts and entertainment

FS (musician) FS (real name Fred Sargolini) is an American dubstep producer and DJ from New York City.compositions by Carl Nielsen This table of works by the Danish composer Carl Nielsen initially lists them by genre and composition date within a genre. History Nielsen wrote music in many genres, notably symphonies, concertos and choral music, but also operas and i ...

* 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 ** Amateur flight simulation, a video game version of simulators ***''

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

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

Microsoft Flight Simulator X ''Microsoft Flight Simulator X'' (abbreviated as ''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 ...

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

Businesses and organizations

In transportation

* ''

Ferrocarril de Sóller The Ferrocarril de Sóller (; en, Railway of Sóller), acronym FS, is an interurban railway and the name for the company which operates the electrified narrow gauge tracks running between the towns of Sóller and Palma on the Spanish island of ...

'', a railway on Majorca * ''

Ferrovie dello Stato Ferrovie dello Stato Italiane S.p.A. ( "Italian Railways of the State"; previously only Ferrovie dello Stato, hence the abbreviation FS) is Italy's national state-owned railway holding company that manages transport, infrastructure, real estate ...

'', Italian state railways *

First ScotRail First ScotRail was a train operating company in Scotland owned by FirstGroup which operated the ScotRail franchise from October 2004 until March 2015. Prior to October 2004, trains were run by ScotRail (National Express). First ScotRail was s ...

, a British rail train operator *

ItAli Airlines ItAli Airlines S.p.A. was an airline based in Rome. It operated regional scheduled, charter and cargo services, as well as air taxi flights. Its main base was Leonardo da Vinci-Fiumicino International Airport, Rome. History The airline s ...

(IATA airline designator FS) * FS

Trenitalia Trenitalia is the primary train operator in Italy. A subsidiary of Ferrovie dello Stato Italiane, itself owned by the Italian government, the company was established in 2000 following a European Union directive on the deregulation of rail transp ...

Italian railway company

Other businesses and organizations

Frankfurt School of Finance & Management Frankfurt School of Finance & Management Frankfurt School of Finance & Management is a private university with a right to award doctorates, recognized under Hesse’s Higher Education Act. The parent organization is the Frankfurt School of Fina ...

, a Business School in Frankfurt, Germany * FS Investments, a fund management firm based in Philadelphia, Pennsylvania. * FS Services, now

Growmark Growmark, Inc., is a regional agricultural supply cooperative operating in more than 40 states and one operation in Ontario, Canada. Its local member cooperatives commonly use the name FS ("Farm Supply"). Growmark ranks 74th on the ICA Global 3 ...

, an agricultural supply cooperative * Full Sail Real World Education, a university in Florida dedicated to real world education in the entertainment industry *

Future Shop Future Shop was a Canadian electronics store chain. It was established in 1982 by Hassan Khosrowshahi. By 1990, the chain had become the country's largest retailer of computer and consumer electronics. In January 2013, the company operated 139 l ...

, a defunct Canadian consumer electronics retailer

Mathematics, science, and technology

Computing

FS register x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel based on the Intel 8086 microprocessor and its 8088 variant. The 8086 was intro ...

, 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 curso ...

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 the workstations that are ab ...

, a form of disk storage *

File system In computing, file system or filesystem (often abbreviated to fs) is a method and data structure that the operating system uses to control how data is stored and retrieved. Without a file system, data placed in a storage medium would be one lar ...

, in computer science and database theory *

Flipnote Studio ''Flipnote Studio'', originally released in Japan as , was a free downloadable application available through the Nintendo DSi's DSiWare digital distribution service. Developed by Nintendo EAD Tokyo, ''Flipnote Studio'' allowed the user to create ...

, 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 key e ...

, a property of cryptographic systems * Fullscreen, a picture format in 4:3 aspect ratio, as opposed to widescreen *

IBM Future Systems project The Future Systems project (FS) was a research and development project undertaken in IBM in the early 1970s, aiming to develop a revolutionary line of computer products, including new software models which would simplify software development by ex ...

a failed IBM project to develop a computer line to replace System/360 *

Feature structure In phrase structure grammars, such as generalised phrase structure grammar, head-driven phrase structure grammar and lexical functional grammar, a feature structure is essentially a set of attribute–value pairs. For example, the attribute named ...

, a set of attribute–value pairs

Health and medicine

Felty's syndrome Felty's syndrome (FS), also called Felty syndrome, is rare autoimmune disease characterized by the triad of rheumatoid arthritis, enlargement of the spleen and low neutrophil count. The condition is more common in those aged 50–70 years, specifi ...

, autoimmune disease, with rheumatoid arthritis, enlargement of the spleen and too few neutrophils in the blood *

Fibrin sealant Fibrin glue (also called fibrin sealant) is a surgical formulation used to create a fibrin clot for hemostasis, cartilage repair surgeries or wound healing. It contains separately packaged human fibrinogen and human thrombin. Medical uses This g ...

, a type of surgical tissue adhesive used during surgery to control bleeding *

Flight Surgeon A flight surgeon is a military medical officer practicing in the clinical field of aviation medicine. Although the term "flight surgery" is considered improper by purists, it may occasionally be encountered. Flight surgeons are physicians (MD ...

, 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 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, an adjacent chamber in the upper ...

of the heart * ''

Formularium Slovenicum ''Formularium Slovenicum'' is Slovenian addendum to the '' European Pharmacopoeia''. It promotes Slovenian pharmaceutical terminology and the regulations affecting the field of pharmacy in Slovenia.Farmacevtski terminološki slovar harmaceutical ...

'', Slovenian addendum to the European Pharmacopoeia

Mathematics

Fourier series A Fourier series () is a summation of harmonically related sinusoidal functions, also known as components or harmonics. The result of the summation is a periodic function whose functional form is determined by the choices of cycle length (or '' ...

, a mathematical tool used for analyzing periodic functions *

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 sp ...

(symbol

f_s

), in communications theory

Other uses in science and technology

Feldspar Feldspars are 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 ''plagioclase'' (sodium-calcium) feld ...

, a group of silicate minerals *

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. For context, a femtosecond is to a second as a second is to about 3 ...

, an SI unit of time * Femtosiemens, an SI unit of electric conductance * Fin-stabilized projectile, such as the

APFSDS Armour-piercing fin-stabilized discarding sabot (APFSDS), long dart penetrator, or simply dart ammunition, is a type of kinetic energy penetrator ammunition used to attack modern vehicle armour. As an armament for main battle tanks, it succeeds ...

HEAT In thermodynamics, heat is defined as the form of energy crossing the boundary of a thermodynamic system by virtue of a temperature difference across the boundary. A thermodynamic system does not ''contain'' heat. Nevertheless, the term is ...

-FS *

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 b ...

, in atomic physics *

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 *

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 machine that tries to replicate the experience of flying *

Formula Student Formula Student is a student engineering competition held annually in the UK. Student teams from around the world design, build, test, and race a small-scale formula style racing car. The cars are judged on a number of criteria as listed below ...

, a student engineering competition held annually in the UK *

Frameshift mutation A frameshift mutation (also called a framing error or a reading frame shift) is a genetic mutation caused by indels (gene insertion, insertions or genetic deletion, deletions) of a number of nucleotides in a DNA sequence that is not divisible by ...

, 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 deter ...

(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

Military

Fire Support Fire support is defined by the United States Department of Defense as " Fires that directly support land, maritime, amphibious, and special operations forces to engage enemy forces, combat formations, and facilities in pursuit of tactical and o ...

, artillery or close air support for combat operations * Flight Sergeant, a non-commissioned officer in some air forces *

, physician primarily responsible for the medical evaluation, certification and treatment of aviation personnel * French Ship, a NATO prefix for ships of the

French Navy The French Navy (french: Marine nationale, lit=National Navy), informally , is the maritime arm of the French Armed Forces and one of the five military service branches of France. It is among the largest and most powerful naval forces in th ...

Sport

Fox Sports (United States) Fox Sports, also referred to as Fox Sports Media Group and stylized in all caps as FOX Sports, is the sports programming division of the Fox Corporation that is responsible for sports broadcasts carried by the Fox broadcast network, Fox Spor ...

** FS1, Fox Sports 1 ** FS2, Fox Sports 2 *

Free safety Safety is a position in gridiron football on the defense. The safeties are defensive backs who line up ten to fifteen yards from the line of scrimmage. There are two variations of the position: the free safety and the strong safety. Their dutie ...

, one variation of the defensive back position in American football * Free skating, the second part of a figure skating competition

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) The Financial Secretary () is the title held by the Hong Kong government minister who is responsible for all economic and financial matters (“Department of Finance” per Article 60 of the Basic Law). The position is among the three most sen ...

* 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 t ...

, term used for early childhood education in the United Kingdom *

Franco's Spain Francoist Spain ( es, España franquista), or the Francoist dictatorship (), was the period of Spanish history between 1939 and 1975, when Francisco Franco ruled Spain after the Spanish Civil War with the title . After his death in 1975, Spani ...

, Spain under the leadership of Francisco Franco *

French Southern Territories The French Southern and Antarctic Lands (french: Terres australes et antarctiques françaises, TAAF) is an Overseas Territory (french: Territoire d'outre-mer or ) of France. It consists of: # Adélie Land (), the French claim on the continent ...

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