HAQM Linux 2023 is a cloud-optimized Linux distribution designed for optimal performance on AWS. This video introduces the key features and benefits of HAQM Linux 2023, including its long-term support, enhanced security measures, and compatibility with AWS services. The presenters discuss how HAQM Linux 2023 provides a stable, secure, and high-performance environment for running applications in the cloud. They highlight its regular updates, built-in AWS tools, and optimizations for AWS infrastructure.