1. A data input or output control method in a system for inputting data to or outputting data from a disk sector according to an input or output command from a disk driver, the method comprising: extracting the input or output command for inputting the data to or outputting the data from the disk sector from the disk driver; generating a set of input or output commands from the input or output command; analyzing a load feature of the extracted input or output command based on the generated set of input or output commands; determining whether a load of the input or output command corresponds to a multimedia application based on the analyzed load feature of the input or output command; and controlling the data which is input to or output from the disk to correspond to the multimedia application according to the determination result.