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Linux-libre
This dongle is a 
Linux-libre is a modified Linux kernel created by the FSF Latin America. It removes all non-free components and binary blobs of the Linux kernel. It officially joined the GNU project in early 2012.
Usage by distros
By default, Most (if not all) FSF-endorsed distros have Linux-libre as their default kernel. However, some distros such as Arch Linux has Linux-libre in the AUR. Gentoo has an option to deblob your kernel when you build it. Debian, while doesn't use Linux-libre, the kernel is deblobbed by default, making it somewhat similar to Linux-libre.
