Looking for a simpler version of BusyBox for educational purposes

This page summarizes the projects mentioned and recommended in the original post on /r/linux_programming

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  1. freebsd-src

    The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....

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  3. src

    Read-only git conversion of OpenBSD's official CVS src repository. Pull requests not accepted - send diffs to the tech@ mailing list.

  4. illumos-gate

    An open-source Unix operating system

  5. busybox

    BusyBox mirror

    Sure... There are symlinks in the installation, and there's a small main() function that dispatches execution to the appropriate function based on argv[0], but that doesn't significantly impact the C implementation of each individual tool. Those seem pretty straightforward, to me. A developer reading.. e.g. chmod.c isn't going to see any evidence of symlinks, and minimal impact from the external main() function.

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