“This is a customized edition of open-source software, and there are additional charges for extended support for this CentOS 7 (ARM) AMI, with a guaranteed 24-hour response time.

This CentOS 7 AMI includes an updated CentOS 7 base installation and bundled support services.

CentOS 7 is a robust Linux operating system designed for enterprise use, and it maintains full functional compatibility with its upstream source, Red Hat Enterprise Linux (RHEL).”