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Symbian OS - Operating System

Symbian is an operating system for smartphones. It uses a user interface component based on the 5th Edition of S60. Symbian versions are denoted by the caret (^) symbol such as "Symbian^3" references Symbian’s third version.  


Symbian OS began as an operating system called EPOC, which was developed in the 1980s by a company named Psion. In 1998, in a joint venture with telephone manufacturers Nokia, Ericsson, and Motorola, Psion became Symbian, Ltd., and EPOC became Symbian OS. In 2008, Nokia acquired Symbian, and the majority of Symbian OS's source code was released under an open source license. Symbian OS was the most widely-used mobile operating system in the world until 2010, when it was overtaken by Android. Development of Symbian OS was discontinued in May 2014.

The Symbian OS platform is formed of two components: one being the microkernel -based operating system with its associated libraries, and the other being the user interface, which provides the graphical shell atop the OS.   

Applications for Symbian are normally written in Symbian C++. However, applications written in Python, Java ME, Flash Lite, Ruby and .NET can also run. These applications may then be installed on the device using over-the-air. It is connection between a mobile to PC data cable connection, Bluetooth or a memory card.

After 2014, developers are no longer able to publish new Symbian applications but existing applications are still available for download.

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