NGINX is a widely-used web server and reverse proxy known for its dependability, scalability, and versatility. This text provides an introduction to NGINX by explaining its origins, architecture, key features, and benefits such as performance optimization, scalability through load balancing, and stability with customizable configurations. It explores use cases like serving static content, acting as a reverse proxy or load balancer, streaming media files, and optimizing email servers. The installation process on Ubuntu/Debian-based systems is also outlined. Overall, it highlights how NGINX enhances website performance while providing secure functionality for diverse applications.