# Shell

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Shell
> Markdown URL: https://mediated.wiki/source/Shell.md
> Source: https://en.wikipedia.org/wiki/Shell
> Source revision: 1324337269
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Wiktionary}}
'''Shell''' or '''Shells''' may refer to:
{{TOC right}}

==Architecture and design==
* [Shell (structure)](/source/Shell_(structure)), a thin structure
** [Concrete shell](/source/Concrete_shell), a thin shell of concrete, usually with no interior columns or exterior buttresses

==Science==
===Biology===
* [Seashell](/source/Seashell), a hard outer layer of a marine animal, found on beaches
* [Eggshell](/source/Eggshell)
* [Nutshell](/source/Nutshell)
* [Exoskeleton](/source/Exoskeleton), an external covering of some animals
** [Mollusc shell](/source/Mollusc_shell)
*** [Bivalve shell](/source/Bivalve_shell)
*** [Gastropod shell](/source/Gastropod_shell)
** Shell, of a [brachiopod](/source/brachiopod)
* [Turtle shell](/source/Turtle_shell)
* [Armadillo shell](/source/Armadillo_shell)

===Physics and chemistry===
* [Electron shell](/source/Electron_shell) or a principal energy level of electrons outside an atom's nucleus
* [Nuclear shell model](/source/Nuclear_shell_model), a principal energy level of nucleons within an atom's nucleus
* [On shell and off shell](/source/On_shell_and_off_shell), quantum field theory concepts depending on whether classical equations of motion are obeyed

===Mathematics===
* [Spherical shell](/source/Spherical_shell), between two concentric spheres

==Organisations==
* [Shell plc](/source/Shell_plc) formerly Royal Dutch Shell plc, a British multinational oil and gas company
** [Shell Oil Company](/source/Shell_USA) or Shell USA
** [Shell Australia](/source/Shell_Australia)
** [Shell Canada](/source/Shell_Canada)
** [Shell Nigeria](/source/Shell_Nigeria)
* [Shell corporation](/source/Shell_corporation), a type of company that serves as a vehicle for business transactions

==Computing==
* [Shell (computing)](/source/Shell_(computing)), a type of user interface and command-line interpreter
** [Command-line interface](/source/Command-line_interface), sometimes referred to as command shell
** [List of command-line interpreters](/source/List_of_command-line_interpreters), programs occasionally referred to as shells
** [Web shell](/source/Web_shell), interface that enables a web server to be remotely accessed
** [Unix shell](/source/Unix_shell), a shell for Unix-like operating systems
** [Shell script](/source/Shell_script), a computer program designed to be run by a shell
** [Bash (Unix shell)](/source/Bash_(Unix_shell))
** [Bourne shell](/source/Bourne_shell)
* [Read–eval–print loop](/source/Read%E2%80%93eval%E2%80%93print_loop), also known as a language shell
* [Shell account](/source/Shell_account), a user account on a remote server
* [Secure Shell](/source/Secure_Shell), cryptographic network protocol
* [Shellsort](/source/Shellsort) or Shell sort, a sorting algorithm by Donald Shell
* Shell, an empty [expert system](/source/expert_system)

==Entertainment==
* [''Shell'' (2012 film)](/source/Shell_(2012_film)), an independent drama film 
* [''Shell'' (2024 film)](/source/Shell_(2024_film)), an American thriller film
* [Shell (theater)](/source/Shell_(theater)), a curved surface for reflecting sound
* [The Shells](/source/The_Shells), a musical group
* "Shell (Of a Man)", a song by [Saya Gray](/source/Saya_Gray) from ''SAYA'', 2025
* ["Shells" (''Angel'')](/source/Shells_(Angel)), a TV episode
* ["The Shell" (''The Amazing World of Gumball'')](/source/The_Shell_(The_Amazing_World_of_Gumball)), a TV episode
* Shell, a receptacle used in the [Shell game](/source/Shell_game)
* "Shell", a song by Arrested Development from ''[Zingalamaduni](/source/Zingalamaduni)''

==Places==
* [Shell, Ecuador](/source/Shell%2C_Ecuador)
* [Shell, Worcestershire](/source/Shell%2C_Worcestershire), England
* [Shell, Wyoming](/source/Shell%2C_Wyoming), United States
* [Shell Lake (disambiguation)](/source/Shell_Lake_(disambiguation)), several places

==Weaponry==
* [Shell (projectile)](/source/Shell_(projectile)), an explosive device fired from artillery
* [Shotgun shell](/source/Shotgun_shell), a type of shotgun ammunition

==Persons with the surname Shell==
* [Art Shell](/source/Art_Shell) (born 1946), American football player and coach
* [Brandon Shell](/source/Brandon_Shell) (born 1992), American football player
* [Donald Shell](/source/Donald_Shell) (1924–2015), American computer scientist
* [Donnie Shell](/source/Donnie_Shell) (born 1952), American football player
* [George Shell (disambiguation)](/source/George_Shell_(disambiguation))
* [Karl Shell](/source/Karl_Shell) (born 1938), American economist
* [Rita Shell](/source/Rita_Shell) (1863–1950), British magazine editor

==Other uses==
* [Racing shell](/source/Racing_shell), a watercraft
* [Shell (machinery)](/source/Shell_(machinery)), each half of a two-piece plain bearing
<!-- * A ring-like [algebraic structure](/source/List_of_algebraic_structures) notability? -->
* [Coverage shell](/source/Coverage_shell), the number of defenders guarding the deep portion of the field in American football
*[Conchiglie](/source/Conchiglie), a type of pasta

==See also==
* [Shell suit](/source/Shell_suit), a descendant of the tracksuit
* [Shel](/source/Shel), a given name 
* [Shels (disambiguation)](/source/Shels_(disambiguation))
* {{lookfrom}}
* {{intitle}}

{{disambiguation|geo|surname}}
[sv:Skal](/source/sv%3ASkal)

---
Adapted from the Wikipedia article [Shell](https://en.wikipedia.org/wiki/Shell) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Shell?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
