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.
Basketball: The most popular sports of Philippines, where dwells 92 million crazy fans is amongst the most popular sports in USA ; population 306 million, China( 1337 million),Russia(141 million), Argentina(40 million),Canada(33 million), Germany(82 million), Italy(60 million), Spain and Puerto Rico.