Linux, born in 1991 under Linus Torvalds' guidance, is an open-source marvel adorned with the penguin mascot, Tux. The OS thrives on community collaboration, with a global network of contributors shaping its development. Often dubbed GNU/Linux, it powers servers globally, dominates supercomputers, and lays the foundation for Android. The command-line interface is celebrated for its efficiency. Linux's diverse distributions and its impact on everything from smartphones to servers highlight its versatility, making it a symbol of open-source success.