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Learning Embedded Linux Using the Yocto Project by Swizec Teller

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Wic

Wic is a command line tool that can be also seen as an extension of the BitBake build system. It was developed due to the need of having a partitioning mechanism and a description language. As it can be concluded easily, BitBake lacks in these areas and although initiatives were taken to make sure that such a functionality would be available inside the BitBake build system, this was only possible to an extent; for more complex tasks, Wic can be an alternative solution.

In the following lines, I will try to describe the problem associated with BitBake's lack of functionality and how Wic can solve this problem in an easy manner. I will also show you how this tool was born and what source of inspiration source was.

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