Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Sed

sed (short for stream editor) is a utility that transforms text via a script written in a relatively simple and compact programming language. It was developed from 1973 to 1974 by Lee E. McMahon of Bell Labs, and is available today for most operating systems. The functionality of sed is based on the scripting features of the interactive editor ed…

History & Applications

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Sed. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Use

24 related topics

History

12 related topics

Limitations and alternatives

7 related topics

Processing

3 related topics

Key facts & relationships

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

Designed by
Lee E. McMahon
First appeared
1974; 52 years ago (1974)
Implementation language
C
Paradigm
scripting

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Processing

Use

Limitations and alternatives

  • Head Head (Unix)
  • Tail Tail (Unix)
  • Tr Tr (Unix)
  • Vi Vi (text editor)
  • Vim Vim (text editor)
  • Sam Sam (text editor)
  • Plan 9 Plan 9 from Bell Labs

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.

Map overview Semantic statistics

Sed

Nodes64
Edges63
Triples108
Avg. degree1.97
Density0.03125
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Sed

Top relations

related to history · 22
Sed → Another, AWK, BSD, ECMAScript, Eric, First, Foreseeing, GNU, GNU Project, It, Its, Later, McMahon, Minix, Perl, Perl's, Raymond, René Rebe, Super-sed, The
related to Further reading · 21
Sed → Arnold Robbins, Bell Lab's Eighth Edition, Daniel Goldman, December, Definitive Guide, Dougherty, EHDP Press, FAQ, February, ISBN, June, March, O'Reilly, Peter Patsis, Pocket Reference, Prentice Hall, SED Programmer's Interactive Workbook, Sourceforge, Unix, UNIX AWK
related to External links · 17
Sed → An Introduction, Bruce Barnett, Eric, Eric Pement, ExactCODE, GNU, Plan, Programmer's Manual, Raymond, Shell, Stream Editor, The Open Groupsed, The Single UNIX Specification, Tutorial, Utilities Reference, Version, Volume
related to Limitations and alternatives · 7
Sed → AWK, Conversely, For, Perl, These, Unix, While
related to Processing · 7
Sed → As, Because, For, Nto, Other, Thus, Unless
related to Conditional execution · 5
Sed → Commands, For, GOTO-like, The, Turing-complete
related to Script · 5
Sed → Double, However, Most, The, When
related to Substitution · 3
Sed → Slash, The, Thesstands
related to In-place editing · 2
Sed → GNU, The
related to Matching · 2
Sed → For, Supported

Important terminology Word statistics

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

Important terminology

line command pattern text ed awk script substitution used space commands gnu perl file via regular stream matching shell expression

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
SedDesigned byLee E. McMahon1.00infobox
SedFirst appeared1974; 52 years ago (1974)1.00infobox
SedImplementation languageC1.00infobox
SedParadigmscripting1.00infobox
Sedis aextended version of sed that includes regular expressions compatible with Perl0.90text
sokobaninstance ofand esoteric sed scripts exist for games0.80text
arkanoidinstance ofand esoteric sed scripts exist for games0.80text
chessinstance ofand esoteric sed scripts exist for games0.80text
and tetris.Matchingsed supports regular expression syntax for matching input text to a patterninstance ofand esoteric sed scripts exist for games0.80text
and tetrisinstance ofand esoteric sed scripts exist for games0.80text
AWK or Perl are used insteadinstance ofmore powerful languages0.80text
grepinstance ofspecialized Unix utilities0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.