
Operating systems that can be found on smartphones include Nokia's Symbian OS, Apple's IOS, RIM's BlackBerry, Windows Phone, Linux, Palm Web OS, Google's Android and Nokia's Maemo. Android, WebOS and Maemo are in turn built on top of Linux, and the iPhone OS is derived from the BSD and Next Step operating systems, which all are related to Unix.
The most common operating systems (OS) used in smartphones by Q2 2009 sales are:
Symbian OS from the Symbian...