The article discusses the current state of container operating systems and the growing trend of using containers in enterprise environments. The author highlights the benefits of using containers, such as improved portability, faster deployment, and better resource utilization. The article also mentions several popular container operating systems, including CoreOS, Photon, RHCOS, RancherOS, and Ubuntu Core.

The author notes that while these container operating systems have many features in common, they also have some key differences. For example, CoreOS and RHCOS are based on Linux, while Photon is based on FreeBSD. Additionally, RancherOS is designed specifically for Kubernetes environments, while Ubuntu Core is focused on providing a secure and reliable platform for cloud-native applications.

The article also touches on the topic of containerization in the enterprise, highlighting the challenges that IT teams face when adopting containers. These challenges include managing and orchestrating containers at scale, ensuring compatibility with existing infrastructure and tools, and providing adequate security and networking features.

Overall, the article provides a comprehensive overview of the current state of container operating systems and their growing adoption in enterprise environments. It highlights the key features and differences between popular container operating systems, and provides insights into the challenges and opportunities of containerization in the enterprise.