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Touch (command)

touch is a shell command that sets the modification timestamp of an existing file to be current – which on a Unix-based file system includes special files such as directories. If the input path does not specify an existing file, then it creates a new, regular file at the path.

Overview, Related Topics & Entities

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

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Overview

30 related topics

Key facts & relationships

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

Developers
Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie, Randy Smith, TSC, Microware, Apple, Digital Research, Novell, Kris Heidenstrom
License
coreutils: GPLv3+ FreeDOS: GPLv2 ReactOS: BSD-4-Clause BusyBox: GPL-2.0-only Toybox: 0BSD Plan 9: MIT License
Operating system
Unix, Unix-like, Plan 9, Inferno, FLEX, OS-9, Classic Mac OS, Windows, DR DOS, AROS, FreeDOS, ReactOS, KolibriOS, IBM i
Original author
AT&T Bell Laboratories
Platform
Cross-platform
Release
January 1979; 47 years ago (1979-01)

Topics to explore

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Overview

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

Touch (command)

Nodes32
Edges31
Triples9
Avg. degree1.94
Density0.0625
Components1

How this topic connects Entity context

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

Touch (command)

Top relations

Developers · 1
Touch (command) → Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie, Randy Smith, TSC, Microware, Apple, Digital Research, Novell, Kris Heidenstrom
License · 1
Touch (command) → coreutils: GPLv3+ FreeDOS: GPLv2 ReactOS: BSD-4-Clause BusyBox: GPL-2.0-only Toybox: 0BSD Plan 9: MIT License
Operating system · 1
Touch (command) → Unix, Unix-like, Plan 9, Inferno, FLEX, OS-9, Classic Mac OS, Windows, DR DOS, AROS, FreeDOS, ReactOS, KolibriOS, IBM i
Original author · 1
Touch (command) → AT&T Bell Laboratories
Platform · 1
Touch (command) → Cross-platform
Release · 1
Touch (command) → January 1979; 47 years ago (1979-01)
Type · 1
Touch (command) → Command
Written in · 1
Touch (command) → C

Important terminology Word statistics

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

Important terminology

file command unix modification path touch system current used time version mac os unix-like freedos kolibrios flex aros os-9 reactos

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Touch (command)DevelopersPaul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie, Randy Smith, TSC, Microware, Apple, Digital Research, Novell, Kris Heidenstrom1.00infobox
Touch (command)Licensecoreutils: GPLv3+ FreeDOS: GPLv2 ReactOS: BSD-4-Clause BusyBox: GPL-2.0-only Toybox: 0BSD Plan 9: MIT License1.00infobox
Touch (command)Operating systemUnix, Unix-like, Plan 9, Inferno, FLEX, OS-9, Classic Mac OS, Windows, DR DOS, AROS, FreeDOS, ReactOS, KolibriOS, IBM i1.00infobox
Touch (command)Original authorAT&T Bell Laboratories1.00infobox
Touch (command)PlatformCross-platform1.00infobox
Touch (command)ReleaseJanuary 1979; 47 years ago (1979-01)1.00infobox
Touch (command)TypeCommand1.00infobox
Touch (command)Written inC1.00infobox
directoriesinstance ofwhich on a Unix-based file system includes special files0.80text

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

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    Min side: 3
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