Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
fish (friendly interactive shell; stylized in lowercase) is a Unix-like shell with a focus on interactivity and usability. fish is designed to be feature-rich by default, rather than highly configurable, and does not adhere to POSIX shell standards by design.
Standards, Features & Syntax
Explore the main themes, entities and connections around Fish (Unix shell). Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
fish shell bash features syntax variable also command commands functions subshells unix-like subshell example variables posix user history support completions
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Fish (Unix shell) | Developer | Fish-shell developers | 1.00 | infobox |
| Fish (Unix shell) | License | GPL-2.0-only | 1.00 | infobox |
| Fish (Unix shell) | Operating system | Unix-like | 1.00 | infobox |
| Fish (Unix shell) | Original author | Axel Liljencrantz | 1.00 | infobox |
| Fish (Unix shell) | Release | 13 February 2005; 21 years ago (2005-02-13) | 1.00 | infobox |
| Fish (Unix shell) | Repository | github.com/fish-shell/fish-shell | 1.00 | infobox |
| Fish (Unix shell) | Stable release | 4.8.1 / 13 July 2026 | 1.00 | infobox |
| Fish (Unix shell) | Type | Unix shell | 1.00 | infobox |
| Fish (Unix shell) | Website | fishshell.com | 1.00 | infobox |
| Fish (Unix shell) | Written in | Rust since v4.0, C++ up to v3.7.1 C up to 1.8 | 1.00 | infobox |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.