.nc

2 claimants 1 primary 0 secondary unambiguous primary

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.

1.1M
total occurrences
397.9K
since 2019 (37.1%)
1970–2023
years active

Case variants in archive: .nc (1.1M), .NC (2.7K), .nC (1), .Nc (1) — aggregated above.

Attribution status

This extension is attributed to nesC; nesC as primary by 2 authoritative claims.

Authoritative sources: ✓ Linguist ✓ Pygments ✗ Wikidata · no claim △ Wikipedia · secondary

Disagree or have a correction? Open a labelling issue.

Claimants (3)

Languages that list .nc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
nesClinguistprimary
nesCpygmentsprimary
G-codewikipediaproposed

Wikidata says… (7)

File formats, image formats, audio codecs and other non-PL entities that claim .nc on Wikidata (property P1195) or in the Wikipedia infobox. Source: data/derived/external_extension_index.csv. Click Use as new PL on any row to open the Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata URL, and this extension — one submission creates the PL + claim.
Right entry isn't listed? Add manually ↗
FormatClass (Wikidata P31)Suggested labelMIMENotesAction
mcrypt Q6391653
file encryption tool
encryption softwareUse as new PL ↗
netCDF Q1361922
file format
file formatapplication/netcdf; application/x-netcdfUse as new PL ↗
Drishti Processed Volume (header) Q105867436
file format
file formattext/xmlUse as new PL ↗

SWH-mined examples (1)

Real archived programs with this extension, byte-verified against the SWH archive. Useful for deciding what this extension actually is when the attribution is uncertain.
HplPXA27xDMAInfoC.nc · 2137 B · seen 36× in SWH
predicted: nesC via unique-primary
swh:1:cnt:27edccc8bdd6d670418e32819385abb44809c6e4;origin=https://github.com/jmattsson/tinyos-arduino;anchor=swh:1:rev:11e80511993c2aaaef79b5ffa1deb8700355262a;path=/tos/chips/pxa27x/dma/HplPXA27xDMAInfoC.nc
Open in SWH · Raw bytes
Request more SWH-mined examples
If the examples above don't disambiguate what .nc is, request a fresh mining run.
(or open the pre-filled issue directly)