Expr

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Expr topic overview

The analysis highlights Standards, Example and Overview as prominent areas in the source structure around Expr.

Related topics: 15
Source areas: 2
Connected nodes: 17
Extracted relationships: 17
Concept neighborhoods: 15
Bridge connections: 17

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 11 topics

Example · 4 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developers: Various open-source and commercial developers
Operating system: Unix, Unix-like, IBM i
Original authors: Dick Haight (AT&T Bell Laboratories)
Platform: Cross-platform
Release: 1979; 47 years ago (1979)
Type: Command

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Shell Shell (computing)
Command Command (computing)
Expression Expression (mathematics)
Integer
String String (computer science)
Regular expressions Regular expression
Unix v7 Version 7 Unix
POSIX
IBM i
Windows
UnxUtils

Example

Boolean expressions Boolean expression
Exit status
Bc Bc programming language
Portable Software portability

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Expr connects Entity context

The extracted context around Expr shows recurring relationship patterns in the source. For example, Expr → GNU, Shell, The Open Groupexpr, The Single UNIX Specification, Utilities Reference, Version Another extracted example is Expr → Boolean, But, POSIX-compliant, The, This. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to External links · 6

Expr → GNU, Shell, The Open Groupexpr, The Single UNIX Specification, Utilities Reference, Version

related to Example · 5

Expr → Boolean, But, POSIX-compliant, The, This

Developers · 1

Expr → Various open-source and commercial developers

Operating system · 1

Expr → Unix, Unix-like, IBM i

Original authors · 1

Expr → Dick Haight (AT&T Bell Laboratories)

Platform · 1

Expr → Cross-platform

Release · 1

Expr → 1979; 47 years ago (1979)

Type · 1

Expr → Command

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

expression command string shell example matching unix integer length evaluates regular operators etc include posix ibm outputs result expressions less

Expr relationships Subject–Predicate–Object triples

TTTA extracted 17 structured relationships around Expr. Examples in this analysis include Expr → Developers → Various open-source and commercial developers and Expr → Operating system → Unix, Unix-like, IBM i. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Expr	Developers	Various open-source and commercial developers	1.00	infobox
Expr	Operating system	Unix, Unix-like, IBM i	1.00	infobox
Expr	Original authors	Dick Haight (AT&T Bell Laboratories)	1.00	infobox
Expr	Platform	Cross-platform	1.00	infobox
Expr	Release	1979; 47 years ago (1979)	1.00	infobox
Expr	Type	Command	1.00	infobox
Expr	related to Example	The	0.60	section
Expr	related to Example	POSIX-compliant	0.60	section
Expr	related to Example	Boolean	0.60	section
Expr	related to Example	This	0.60	section
Expr	related to Example	But	0.60	section
Expr	related to External links	Shell	0.60	section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Expr bring nearby vocabulary together. In this analysis, examples include Unix, Commands and Expressions. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

expression
- Shell
- Single
- Expris
- Commands
- Etc
- Expr
- Include
- Index
- Match
- Must
- Operators
- Outputs
regular expressions
- Including
- Pattern
- String
- Etc
- Expr
- Ibm
- Include
- Index
- Integer
- Match
- Must
- Operators
command
- Ibm
- Outputs
- Unix
- Shell
- Expression
- Expris
- Unxutils
- Windows
- Evaluates
- Expr
- Expressions
- Posix
integer
- Apply
- Comparison
- Equal
- Including
- Pattern
- String
- Values
- Etc
- Expressions
- Less
- Operators
- Regular
string
- Index
- Match
- Must
- Substr
- Syntax
- Length
- Values
- Commands
- Include
- Use
- Shell
boolean expressions
- Including
- Pattern
- Expr
- Ibm
- Integer
- Outputs
- Regular
- Example
- Matching
- Unix
- String
Expr
- Unix
- Commands
- Expressions
- Ibm
- Outputs
- Posix
- Single
- Shell
- Expression
expr
- Unix
- Commands
- Expressions
- Ibm
- Outputs
- Posix
- Single
- Shell
- Expression

Connections between topic areas Semantic bridges

For Expr, one of the stronger structural bridges in this analysis connects Expr with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Expr — Overview · splits 6 ⟂ 12

Expr — Example · splits 13 ⟂ 5

Map overview Semantic statistics

Expr

Nodes18

Edges17

Triples17

Avg. degree1.89

Density0.111111

Components1

Source & methodology

TTTA analyzes the structure around Expr to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Standards, Example & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Expr · EN edition · Analysis: TopicsToTalkAbout