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→Target root file system
The Linux kernel running on the target needs to mount a root file system. Building a root file system from scratch is definitively a complex task because several well known directories must be created and populated with a lot of files that must follow some standard rules. Again we will use pre-packaged root file systems that make this task much easier.
=== Yocto ===
The Yocto Project, hosted by the Linux Foundation, provides open source, high-quality infrastructure and tools to help developers create their own custom Linux distributions for any hardware architecture and across multiple market segments. The Yocto Project is intended to simplify the work of the developers, providing a set of tools and components, including a highly configurable build system, that enables users to construct their own custom distributions, targeted for specific embedded devices. It is not, itself, a Linux distribution. Rather, it is capable of producing an image for a particular embedded device without dictating the composition of the Linux distribution actually built or the hardware architecture used. The software components for the DIVA platform can be built using Yocto and the source trees released with the DIVELK 2.0.0.
=== DVDK ===