News.com reports that according to Nicholas Negroponte, the “$100 Laptop” will raise Linux’s popularity on the desktop to the level it currently enjoys on the server. Speaking on the final day of Red Hat’s annual user summit, Negroponte told attendees that the “One Laptop per Child” project will eventually lead to a mass adoption of the operating system–provided the software it powers is efficient and useful enough. The One Child per Laptop program aims to provide portable PCs, powered by Linux to developing nations around the world. Originally priced at $100, the target cost has now risen to about $140…