Red Hat Enterprise Linux (RHEL) is a popular open-source operating system designed for businesses and organizations. It is built on the Linux kernel and provides a stable, secure, and scalable platform for running applications and services. RHEL is known for its strong support and regular updates, making it a reliable choice for enterprise environments. RHEL is often used in data centers, cloud computing, and server management. It offers various tools and features, such as Red Hat Satellite for system management and Red Hat OpenShift for container orchestration. These capabilities help organizations streamline their IT operations and improve efficiency.