Tux, short for Tuxedo, is a formal suit typically worn by men for special occasions. It usually consists of a black jacket with satin or grosgrain lapels, matching trousers, a white dress shirt, and a bow tie. Tuxedos are often associated with events like weddings, proms, and formal dinners. The term "Tux" is also commonly used to refer to the mascot of the Linux operating system. This cartoon penguin represents the open-source community and is often depicted wearing a tuxedo. Tux symbolizes the fun and friendly nature of Linux while promoting its use in technology.