Is currently used in mobile phone operating system, mainly refers six: PalmOS, Symbian, Windows CE, Linux, and Android, iPhoneOS.
Palm OS operating system
Palm OS operating system, self-developed by Palm Inc. and licensed to Handspring, Sony and Qualcomm, and other equipment manufacturers, the operating system is more inclined to PDA operating system.
Palm OS share dominance in the PDA market . Palm's product line itself including smart phones, then announced the merger with first smart phone developers Handspring, while establish the independent software sector.
Symbian system
Symbian is a real-time, multi-tasking pure 32-bit operating systems, with low power consumption, small memory occupation and other characteristics, very suitable for mobile phones and other mobile devices, through continuous improvement can support GPRS, Bluetooth, SyncML, and the 3G technology . The most important thing is that it is a standardized open platform, anyone can develop software for devices support Symbian . The difference with Microsoft products is, Symbian separate the mobile device common technology, which is the operating system kernel, with the graphical user interface technology , can be good adapt to platforms with different ways of input, can also enable manufacturers to produce more user-friendly operating interface for their products, in line with the trend of personalization, which is the the main reason user can see different look symbian system. Now the java process for this platform has begun to flourish on the Internet. Users can install the software, extended phone functions.
In the Symbian development stage, there have been three branches: namely, Crystal, Pearl, and Quarz. The first two principal directed towards the communications devices markets, also appear in the largest number of mobile phones, is the main force in the future smart phone operating system. The first mobile phone based on Symabian system in 2000, an Ericsson mobile phone models. But the real mature one and draw attention to the listing in 2001 at the same time is the Nokia 9210, which uses a Crystal branch system. Nokia 7650 and 3650 launched in 2002 is the Symbian Pearl sub-system models, in which 7650 is the first smart phone based on the 2.5G network products, they all belong to the 6.0 version Symbian. Sony Ericsson introduced a model also used the Pearl branch of Symbian, the version has been developed to 7.0, is designed for 3G network development, can be said to represent today's most powerful mobile operating system. In addition, Symbian support external storage devices started from version 6.0, such as MMC, CF card, making it full play the powerful expand capability, so that store more software and a variety of large-capacity multimedia files is possible.
Windows CE System
Windows CE system, including Pocket PC and Smartphone, the former focuses on the wireless PDA, the latter designed for mobile phones, a number of new mobile phone from the IT industry vendors to use, growth rates is fast.
Pocket PC 2002 launch of the Phone Edition (Phone Edition) application on the phone, the Chinese OEM machine Dopod 686 used this system. But it functions in mobile communications is not very comprehensive. In view of this situation, the end of 2002 Microsoft released an operating system SmartPhone2002 developed specifically for mobile phones , like the symbian Pearl, is a system designed for mobile communication devices .
From the reaction of a number of handphone manufacturers, only Samsung bought Microsoft's software licenses in the global top five handset makers, so its share of the cell phone market is still very low.
Linux Mobile Phone System
Linux system parts is an open source operating system, there are already many versions in vogue. But has not yet received wider support.
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