Diff

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

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History

Utility Bell Labs Douglas McIlroy James Hunt Hunt–Szymanski algorithm

17 related topics

Implementations and related programs

Eugene W. Myers Esko Ukkonen Newline Diff3 RCS

24 related topics

Use

Less-than Greater-than Ed Berkeley distribution of Unix Space

17 related topics

Algorithm

Edit distance Levenshtein distance Longest common subsequence problem

3 related topics

Key facts & relationships

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Developers: Various open-source and commercial developers
License: Plan 9: MIT License
Operating system: Unix, Unix-like, V, Plan 9, Inferno
Original authors: Douglas McIlroy (AT&T Bell Laboratories)
Platform: Cross-platform
Release: June 1974; 52 years ago (1974-06)

Topics to explore

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Overview

Shell Shell (computing)
Command Command (computing)
Compares Data comparison
Used as a verb Verbed
Text files Text file
Binary files Binary file
Patch file Patch (computing)
Patch Patch (Unix)
POSIX

History

Algorithm

Use

Less-than Less-than sign
Greater-than Greater-than sign
Ed Ed (text editor)
Berkeley distribution of Unix BSD
Space Space (punctuation)
Time stamp
Command-line option
Richard Stallman
GNU Project GNU
Header Header (computing)
Plus sign
Minus sign
At signs At sign
Above Diff
Regular expression
Revision control
Subversion Subversion (software)

Implementations and related programs

Eugene W. Myers Eugene Myers
Esko Ukkonen
Newline
Diff3
RCS Revision Control System
Merging Merge (revision control)
Emacs
Ediff
Vim Vim (text editor)
Git
Wdiff Wdiff?action=edit&redlink=1
JavaScript
Pretty Diff
Bellcore Telcordia Technologies
HPUX
Standard output
Bourne shell
Fortran
Modula-2
Lisp Lisp (programming language)
Programming languages Programming language
Library Library (computing)
Rabin fingerprint
Libgit2

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

Nodes76

Edges75

Triples131

Avg. degree1.97

Density0.026316

Components1

How this topic connects Entity context

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Diff

Top relations

related to history · 26

Diff → Alfred Aho, Bell Labs, Douglas McIlroy, Edition, Elliot Pinson, GECOS, Harold, His, Hunt, It, James, James Hunt, Jeffrey Ullman, McIlroy, McIlroy's, Mike Lesk's, Murray Hill, New Jersey, PDP-11's, Proof

related to Implementations and related programs · 15

Diff → Algorithms, An, Approximate String Matching, By, Changes, Difference Algorithm, Esko Ukkonen, Eugene, File Comparison Program, GNU, Myers, ND, The, Variations, Webb Miller

related to Algorithmic derivatives · 11

Diff → AST-based, Daisydiff, HTML, IBM, In, JavaScript, Microsoft, Multi-language, Pretty Diff, Utilities, XML

related to Unified format · 11

Diff → August, GNU, GNU Project's, January, Many, Richard Stallman, The, This, Unified, Volume, Wayne Davison

related to External links · 10

Diff → Inferno General, ManualJavaScript Implementation Archived, Plan, Programmer's Manual, Shell, The Open Groupdiff, The Single UNIX Specification, Utilities Reference, Version, Volume

related to Context format · 8

Diff → Berkeley, BSD, In, July, The, The Berkeley, This, Unix

see also · 8

Diff → Command-line, Compare, File, Managing, MicrosoftRamseyer Rule, Pattern, Tracking, Type

related to Formatters and front-ends · 7

Diff → Bell Labs, Both, Diff3, It, Paul Jensen, Postprocessors, RCS

related to Further reading · 7

Diff → ACM, April, Communications, Hirschberg, Myers SES/LCS, Paul Heckel, S2CID

related to Default output format · 5

Diff → Addition, Deletion, GNU, In, The

Important terminology Word statistics

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

Important terminology

file files output lines original format command line context new patch two used hunk one gnu range changes code text

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Diff	Developers	Various open-source and commercial developers	1.00	infobox
Diff	License	Plan 9: MIT License	1.00	infobox
Diff	Operating system	Unix, Unix-like, V, Plan 9, Inferno	1.00	infobox
Diff	Original authors	Douglas McIlroy (AT&T Bell Laboratories)	1.00	infobox
Diff	Platform	Cross-platform	1.00	infobox
Diff	Release	June 1974; 52 years ago (1974-06)	1.00	infobox
Diff	Type	Command	1.00	infobox
Diff	Written in	C	1.00	infobox
Diff	related to Algorithm	Unlike	0.60	section
Diff	related to Algorithm	Levenshtein	0.60	section
Diff	related to Algorithm	The	0.60	section
Diff	related to Algorithm	In	0.60	section

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

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