Shell

nounid 4144·updated May 9, 2026
verified

A Unix term for the interactive user interface with an operating system. The shell is the layer of programming that understands and executes the commands a user enters. In some systems, the shell is called a command interpreter. A shell usually implies an interface with a command syntax (think of the DOS operating system and its "C:" prompts and user commands such as "dir" and "edit").

polysemous

Classifications

Entity Type

System85%llm-generatedllm:claude-haiku-4-5

Sensitivity

95%llm-generatedllm:claude-haiku-4-5

Information Class

95%llm-generatedllm:claude-haiku-4-5

Variants

synonym
carapacecasecasingeggshellracing shellscale
plural
Shells
possessive
Shell's
pluralpossessive
Shells'

Framework definitions

SANS Glossary of Security Terms1 senseview framework →
§1
A Unix term for the interactive user interface with an operating system. The shell is the layer of programming that understands and executes the commands a user enters. In some systems, the shell is called a command interpreter. A shell usually implies an interface with a command syntax (think of the DOS operating system and its "C:" prompts and user commands such as "dir" and "edit").
Wordset Dictionary10 sensesview framework →
§1
hard outer covering or case of certain organisms such as arthropods and turtles
§2
the hard largely calcareous covering of a mollusc or a brachiopod
§3
a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
§4
ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile
§5
the housing or outer covering of something
§6
a very light narrow racing boat
§7
a rigid covering that envelops an object
§8
the exterior covering of a bird's egg
§9
the hard usually fibrous outer layer of some fruits especially nuts
§10
the material that forms the hard outer covering of many animals

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

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No other term currently asserts a relationship to this one.