The CoreOS Linux operating system developed by CoreOS Inc. was originally developed as a purpose-built Linux distribution optimized to run containers. In June 2014, CoreOS announced its Managed Linux offering as a way to bring an auto-updating managed operating system to users.
CoreOS first launched its Tectonic platform in 2015 as a commercially supported Kubernetes system. Now in December 2016, CoreOS is bringing ideas it has already proven in Managed Linux to Tectonic. Additionally CoreOS Linux is now being rebranded as ‘Container Linux’.