19.2.9. Choice of root filesystem

Using initramfs with the kernel is a simple option, but will use much more memory as it must also store the filesystem. For a bigger and more useful filesystem, ARM recommends using a virtual block device (using the --block-device option, see Command-line overview) or an NFS root. If you are cross-building programs and testing in the Platform, using an NFS root is the more convenient route to follow, but it will require more complex configuration.

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