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Command substitution

In computing, command substitution is a facility that allows a command to be run and its output to be pasted back on the command line as arguments to another command. Command substitution first appeared in the Bourne shell, introduced with Version 7 Unix in 1979, and has remained a characteristic of all later Unix shells. The feature has since been…

Syntax and semantics, Expression substitution & Overview

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Syntax and semantics

Child processStandard outputPipedParsingWhitespace
20 related topics

Expression substitution

Common LispSchemeABCString literal
4 related topics

Overview

ComputingCommandBourne shellVersion 7 UnixUnix shells
12 related topics

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Overview

Syntax and semantics

Expression substitution

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Map overview Semantic statistics

Command substitution

Nodes40
Edges39
Triples6
Avg. degree1.95
Density0.05
Components1

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Command substitution

Top relations

related to Syntax and semantics · 5
Command substitution → Because, Shells, The, This, Unix
is a · 1
Command substitution → facility that allows a command to be run and its output to be pasted back on the command line as arguments to another command

Important terminology Word statistics

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Important terminology

command substitution unix output shell also syntax semantics shells microsoft's powershell notation run another windows process words example using facility

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Command substitutionis afacility that allows a command to be run and its output to be pasted back on the command line as arguments to another command0.90text
Command substitutionrelated to Syntax and semanticsShells0.60section
Command substitutionrelated to Syntax and semanticsBecause0.60section
Command substitutionrelated to Syntax and semanticsThis0.60section
Command substitutionrelated to Syntax and semanticsThe0.60section
Command substitutionrelated to Syntax and semanticsUnix0.60section

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    Min side: 3
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