An earlier Linux-based open-source operating system from the Mozilla project. Firefox OS ran HTML5-based Web applications and came with a set of default apps that were part of its Gaia user interface.

Foxconn, the world’s largest contract electronics manufacturer, has become the latest company to back Mozilla’s Firefox OS and is developing more than five devices running the mobile operating system ...

The simulator is an extension that runs in Firefox and lets users check out how the operating system will work. CNET contributor Don Reisinger is a technology columnist who has covered everything from ...