ChromeOS……つまり gentoo ですね！？
あれ、 chromebook と勘違いしてたか
ChromeOS - InstallGentoo Wiki - https://wiki.installgentoo.com/index.php/ChromeOS
> Chrome OS is a GNU/Linux distribution based on Gentoo that is installed on Chromebooks.
wiki.installgentoo.comChromeOS - InstallGentoo Wiki