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A UID is a globally unique identifier consisting of a 32-bit number. UIDs are used throughout Symbian OS to enable various kinds of file identification and association.
Because UIDs are fundamental to Symbian OS, it is important that they are used correctly when developing programs. To ensure uniqueness, it is essential that UIDs are properly allocated. Uniqueness is guaranteed by allocating UIDs centrally from a database managed by Symbian at https://www.symbiansigned.com.
For more information on using UIDs, see How to use UIDs.
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