1. Software Platforms
1.1. Symbian
1.2. Android
1.3. Apple iOS
1.4. Blackberry OS
1.5. Windows OS
1.6. BADA
1.7. Open WebOS
1.8. Maemo
1.9. MeeGo
1.10. Palm OS
2. market share
2.1. smartphone sales from2007to2012
2.1.1. graph form
2.1.2. chart form
2.2. current ranking
3. Links
3.1. http://en.wikipedia.org/wiki/Mobile_operating_system
3.2. http://www.shoutmeloud.com/top-mobile-os-overview.html
4. Customer satisfaction
5. survey
5.1. on campus
5.2. in household
5.3. in office
6. History
6.1. 1979 - 1992
6.1.1. Mobile phones have embedded systems to control operation.
6.2. 1993 - 1999
6.2.1. The first smartphone, the IBM Simon, had a touchscreen, email, and PDA features.
6.2.2. Palm Pilot 1000 personal digital assistant is introduced with the Palm OS mobile operating system.
6.2.3. Nokia S40 OS was officially introduced with the launch of the Nokia 7110
6.3. 2000 - 2005
6.3.1. The Kyocera 6035 is the first smartphone with Palm OS.
6.3.2. Symbian became the first modern mobile OS on a smartphone with the launch of the Ericsson R380.
6.3.3. Microsoft's first Windows CE (Pocket PC) smartphones are introduced.
6.3.4. BlackBerry releases its first smartphone.
6.3.5. Nokia introduced Maemo OS on the first internet tablet N770.
6.4. 2006 - 2013
6.4.1. Apple iPhone with iOS introduced as an iPhone, "mobile phone" and "internet communicator."
6.4.2. Open Handset Alliance (OHA) formed by Google, HTC, Sony, Dell, Intel, Motorola, Samsung, LG, etc.
6.4.3. OHA releases Android 1.0 with the HTC Dream (T-Mobile G1) as the first Android phone.
6.4.4. Palm introduced webOS with the Palm Pre. By 2012 webOS devices were no longer sold.
6.4.5. Samsung announces the Bada OS with the introduction of the Samsung S8500.
6.4.6. Windows Phone OS phones are released but are not compatible with the previous Windows Mobile OS.
6.4.7. The MeeGo the first mobile Linux, combined Maemo and Moblin, was introduced with Nokia N9 in effect of cooperation of Nokia, Intel and Linux Foundation
6.4.8. Samsung, Intel and the Linux Foundation announced that their efforts will shift from Bada, MeeGo to Tizen during 2011 and 2012.
6.4.9. the Mer project was announced, centered around an ultra-portable Linux + HTML5/QML/JS Core for building products with, derived from the MeeGo codebase.
6.4.10. Mozilla announced in July 2012 that the project previously known as "Boot to Gecko" was now Firefox OS and had several handset OEMs on board with the project.
6.4.11. Ubuntu announced a version of the Linux distribution expressly designed for smartphones. The OS is built on the Android Linux kernel, using Android drivers, but does not use any of the java-like code of Android.