sistema operativo

n. mode, operating system, manner of operation (Computers)

n. operating system, main program in a computer which is responsible for the allocation of resources to its various procedures

(n.) = operating system, operational system, computer operating system
Ex: Minicomputers can be very flexible in handling a number of varied interactive tasks and usually have highly developed operating systems which can support online users. Ex: Not all of this storage capacity can be used for instructions and data, a certain amount is required by the computer's operational system. Ex: Unix is a computer operating system.