.tool
1 claimant
0 primary
1 secondary
secondary-only
SWH popularity
From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
8.5K
total occurrences
1.6K
since 2019 (18.9%)
1999–2023
years active
Case variants in archive: .tool (4.4K), .Tool (4.0K), .TOOL (24) — aggregated above.
Attribution status
This extension is attributed to Bourne Shell — every claim across all sources (including secondary ones) points to a single language.
Authoritative sources: △ Linguist · secondary ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.tool among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Bourne Shell | linguist | secondary |
SWH-mined examples (0)
No archived examples for .tool in our local mirror yet.