the system ran kernel 2.6.35-24 could be 10.04 or 10.10 though 10.04 would be my guess

The irritating screens at Kroger gas stations (circa 2012) apparently use Linux. Some postulation was done about the potential version of Ubuntu used.

https://web.archive.org/web/20140330020000/http://linuxinthewild.tumblr.com/post/17892081865/source

https://web.archive.org/web/20120429122328/http://www.tekkidd.com/2012/02/ubuntu-spotted-found-at-kroger-gas.html