Canonical's popular Linux distribution.
Official: ubuntu.com
Send the User-Agent to the API, device, OS, browser, and bot detection come back in one response.
curl -s "https://api.parseapi.com/useragent" \ -H "User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:24.0) Gecko/20100101 Firefox/24.0" \ -H "X-Api-Key: $PARSEAPI_KEY"
Real strings from our archive that resolve to Ubuntu. Each opens a full breakdown.