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File server
A file server is a computer or storage service that stores files centrally and shares them over a network, most commonly using the SMB or NFS protocols.
File sharing
File sharing is the practice of distributing or providing access to digital files, ranging from direct computer transfers to large-scale media distribution over the Internet, which began at scale with Napster in 1999.
File system
A file system is the layer of an operating system that organizes storage into named files and directories, tracks data location, and records metadata such as permissions.
File System Access API
The File System Access API is a web platform API that lets a web application read and write files and folders the user picks directly on disk.
File Transfer Protocol
File Transfer Protocol (FTP) is a standard network protocol for transferring files between a client and a server, defined in its current form by RFC 959 in 1985.
File URI scheme
The file URI scheme, also called File URI, is a URI scheme, written file:, that identifies a file stored in a file system on a host.
Fileless malware
Fileless malware is malicious code that operates without placing malicious code on the file system, running in memory or abusing trusted tools like PowerShell and WMI to evade signature-based detection.
FileMaker
FileMaker, now sold as Claris FileMaker Pro, is a relational database and low-code platform owned by Apple subsidiary Claris for building custom business applications on Mac, Windows, iOS, and the web.
Filename
A filename is the string identifying a computer file in a file system, conventionally a base name plus an optional extension, as in report.pdf; the extension hints at the file type but does not prove it.
Filename extension
A filename extension, or file extension, is a suffix separated by a period at the end of a computer file's name that indicates the file's type or format.
FileNet
FileNet is an enterprise content management and business process management software company, founded in 1982 in Costa Mesa, California, and acquired by IBM in 2006 for about $1.6 billion.
Filesystem Hierarchy Standard
The Filesystem Hierarchy Standard (FHS) defines the directory structure and the purpose of each directory in UNIX-like operating systems, so software and administrators can predict where files are located.
Filesystem in Userspace
Filesystem in Userspace (FUSE) is a Linux kernel interface that lets an ordinary userspace program implement a filesystem without kernel code, used by sshfs, ntfs-3g, and over 100 other filesystems.
FileVault
FileVault is the built-in disk encryption feature of macOS, first released in 2003 with Mac OS X 10.3 Panther and rewritten in 2011 to encrypt the entire startup volume.
FileZilla
FileZilla is a free and open-source file transfer application, begun in January 2001 by German student Tim Kosse, consisting of a cross-platform FTP, FTPS, and SFTP client and a Windows FTP server.
Filigree
Filigree, also spelled filagree or filigrane, is a metalworking technique in which fine gold or silver wire is twisted and soldered into intricate openwork patterns, first developed in ancient Egypt and Mesopotamia.
Filimo (فیلیمو)
Filimo (فیلیمو) is an Iranian subscription video-on-demand streaming platform founded in 2014, operated by Tehran-based Saba Idea. It is Iran's largest streaming service, holding more than 50% of the market.
Filippo Brunelleschi
Filippo Brunelleschi, also known as Pippo Brunelleschi, was a Florentine architect and engineer who engineered the dome of Florence Cathedral, the largest masonry dome ever built.
Filitelnic Gas Field
The Filitelnic Gas Field is a natural gas field at Filitelnic village in Mureș County, Romania, operated by Romgaz and the largest field in its portfolio.
Fill (company)
Fill Gesellschaft m.b.H. is an Austrian special machine and plant engineering company in Gurten, Upper Austria, founded by Josef Fill in 1966 and still family-owned.
Fill-in-the-middle (code models)
Fill-in-the-middle (FIM) is a training technique, introduced by OpenAI in 2022, that lets code language models complete code at the cursor using both surrounding context.
Filled skutterudite thermoelectric modules
Filled skutterudite thermoelectric modules are solid-state generators whose legs are filled cobalt antimonide, converting hot waste heat like automotive exhaust into electricity at 7 to 12% efficiency.
Fillet weld
A fillet weld is a weld of approximately triangular cross-section joining two surfaces at an angle, used to connect plates and structural members in steel structures like buildings and bridges.
Filling station
A filling station, also called a gas station or petrol station, is a facility that sells fuel for motor vehicles from pumps, usually with a small retail store.
Film bulk acoustic resonator
A film bulk acoustic resonator (FBAR) is a radio-frequency filter in which a suspended piezoelectric film vibrates at gigahertz frequencies, used in mobile phone front ends.
Film capacitor
A film capacitor, also called a plastic film or polymer film capacitor, is a fixed capacitor that uses thin plastic film as its dielectric and can self-heal after breakdown.
Film casting
Film casting is a polymer processing method that makes thin plastic film by extruding molten polymer through a flat slit die onto water-cooled chill rolls, where it solidifies.
Film coating
Film coating is a pharmaceutical manufacturing process that sprays a thin polymer layer, typically 20 to 100 µm thick, onto tablets to protect the drug, mask taste, and modify release.
Film cooling
Film cooling is a technique for protecting hot gas turbine blades and vanes by bleeding cool air through small holes to form a thin insulating film over the surface.
Film stock
Film stock is the light-sensitive strip of plastic base coated with photographic emulsion on which motion pictures are recorded, duplicated, and printed; unprocessed film is called raw stock.