A file loader including a processor configuration management unit for managing status information of processors, a function database management unit for managing storage information of running files corresponding to functions installed in the processors, and a file load control unit for (i) recognizing other processors in the system having functions identical to a function which has to be installed in the concerned processor based on the storage information, (ii) searching for one processor among the other processors to send the files, while referring to the status of the other processors by the status information, and (iii) performing control for making the above sender processor load the running files required for the related function.