An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. All computer programs, excluding firmware, require an operating system to function.
Popular sports of Mexico. 1  Football (Soccer), boxing, basque pelota, basketball, baseball, rugby union, racquetball, tennis, golf, taekwondo, track and field.  Bull Fighting - involves one or more bulls which are being fought in a bullring.
Turkish oil wrestling. This is one of the most popular sports in Turkey. Yagli gures means literally oiled wrestling. The wrestlers wear tight short leather trousers called Kispet, made of water buffalo leather weighing approximately 13 kilograms, and they cover themselves with olive oil.