OTOH, it was used for multiple container-optimized distros by now: First CoreOS, which forked into Flatcar Linux (now funded by Microsoft) and Fedora CoreOS (r

OTOH, it was used for multiple container-optimized distros by now: First CoreOS, which forked into Flatcar Linux (now funded by Microsoft) and Fedora CoreOS (rewrite from Gentoo/ChromeOS base to Fedora base), and Google's Container-Optimized System (used heavily in Google Kubernetes Engine).