Explain about Blackberry Operating System.

Research in Motion, a Canadian company provided a proprietary operating system for BlackBerry.
The operating system provides support for Java MIDP 1.0 and WAP 1.2.

The current version supports Novell Group Wise and Lotus Notes.
Third-party software can be developed using BlackBerry APIs as well, with certain restriction functionality must be signed by RIM digitally, so that it can be associated to a developer account.

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