Research any topic before you write.

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

PWB shell

The PWB shell (also known as the Mashey shell) was a Unix shell.

History, Notable features & Descendants

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 PWB shell. 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.

Key facts & relationships

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

Available in
English
Developer
AT&T Bell Laboratories
Operating system
Unix
Original author
John Mashey
Type
Unix shell

Topics to explore

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

Overview

History

Notable features

Descendants

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

PWB shell

Nodes25
Edges24
Triples63
Avg. degree1.92
Density0.08
Components1

How this topic connects Entity context

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

PWB shell

Top relations

related to Descendants · 16
PWB shell → After, Bell Labs, Bourne, Bourne Shell Programming, Dennis Ritchie, In, John Mashey, Mashey Shell Programmers, PWB, Stephen Bourne, The, These, This Bourne, Thompson, Unix, Version
related to history · 16
PWB shell → Alan Glasser, Bourne, Dick Haight, Edition, In Version, It, John Mashey, October, PWB, PWB/UNIX, Research Unix, The PWB, Thompson, Unix, Unix-based PWB/UNIX, Version
related to Notable features · 15
PWB shell → All, EEE, For, HOME, In, PATH, PWB, PWB/UNIX, Several, Simple, The, Thus, Unix, Unlike, Version
related to External links · 11
PWB shell → Command Language, Development, Family, High-Level Programming Language, History, Manual, Mashey, May, PWB, Sven Mascheck, The Traditional Bourne Shell
Available in · 1
PWB shell → English
Developer · 1
PWB shell → AT&T Bell Laboratories
Operating system · 1
PWB shell → Unix
Original author · 1
PWB shell → John Mashey
Type · 1
PWB shell → Unix shell

Important terminology Word statistics

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

Important terminology

shell pwb unix features mashey bourne also version programming commands could shells john thompson allow used variable ancestor shell's history

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
PWB shellAvailable inEnglish1.00infobox
PWB shellDeveloperAT&T Bell Laboratories1.00infobox
PWB shellOperating systemUnix1.00infobox
PWB shellOriginal authorJohn Mashey1.00infobox
PWB shellTypeUnix shell1.00infobox
PWB shellrelated to DescendantsThese0.60section
PWB shellrelated to DescendantsThompson0.60section
PWB shellrelated to DescendantsStephen Bourne0.60section
PWB shellrelated to DescendantsThis Bourne0.60section
PWB shellrelated to DescendantsPWB0.60section
PWB shellrelated to DescendantsIn0.60section
PWB shellrelated to DescendantsJohn Mashey0.60section

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.