PURPOSE: To confirm a fact that system files dispersed and saved in plural external storage devices are all stored completely, with regard to the system file store inspecting system in an information processing system for storing the saved system file.

CONSTITUTION: The system is constituted so as to provide a saved file name saving means 400 for recording successively a saved file name FNS of each file 201 saved in each external storage device 300, and saving it in the final external storage device together with the final file, a store file name recording means 500 for recording a store file name FNL of the file stored successively from each external storage device, and a file name collating means 600 for collating the recorded store file name and the stored saved file name after the final file and each saved file name are stored from the final external storage device, and displaying the saved file name which does not exist in the stored file name.