Patent ID: 7444364

Claim:
A file operation limiting system for limiting a file operation for a file stored in a storage unit, wherein the storage unit includes a file storage area into which a storage area of the storage unit is logically sectioned, the file operation limiting system comprising: a file storage area limiting unit for limiting the file operation for every file storage area for at least a part of the sectioned file storage areas; a total file number obtaining unit for obtaining a total file number of a file storage area not limited by the file storage area limiting unit whenever the file operation is carried out for the file storage area among the sectioned file storage areas; a file number limiting unit for limiting the file operation when the total file number after the file operation is judged to exceed a predetermined upper-limit value of a file number based on the total file number obtained by the total file number obtaining unit; a total file capacity obtaining unit for obtaining total file capacity of a file storage area not limited by the file storage area limiting unit whenever the file operation is carried out for the file storage area among the sectioned file storage areas; and a file capacity limiting unit for limiting the file operation when the total file capacity after the file operation is judged to exceed a predetermined upper-limit value of file capacity based on the total file capacity obtained by the total file capacity obtaining unit.