Oracle Linux is a distribution of the Linux operating system based on the Red Hat Enterprise Linux (RHEL) distribution. It is developed and maintained by Oracle Corporation and is designed to provide a platform for running enterprise applications and systems.

Oracle Linux is fully compatible with RHEL and offers similar features and capabilities. It provides a stable and secure foundation for running applications in production environments, with support for features such as high availability, security enhancements, and optimized performance.

Oracle Linux offers two release options: Oracle Linux Server and Oracle Linux Server with the Unbreakable Enterprise Kernel (UEK). The Unbreakable Enterprise Kernel is a kernel developed by Oracle that provides advanced features and improved performance for Oracle Database and Oracle applications.

As an open-source distribution, Oracle Linux is freely available for download and use. However, Oracle also offers various support and maintenance services for customers who require professional support and assistance.

Overall, Oracle Linux is a robust and reliable operating system that is well-suited for enterprise environments and offers compatibility with a wide range of Oracle products and solutions.