GNU/Linux is an open-source operating system that combines the GNU software developed by the GNU Project with the Linux kernel created by Linus Torvalds. It is widely used for servers, desktops, and embedded systems, offering users flexibility and control over their computing environment. The system is known for its stability, security, and customization options. Many distributions, such as Ubuntu, Fedora, and Debian, package GNU/Linux with various software applications, making it accessible for different user needs. Its open-source nature encourages collaboration and innovation within the global community of developers and users.