A file operation limiting system limiting a file operation for a file stored in a storage unit. The storage unit including a file storage area. The file operation limiting system including: a file storage area limiting unit limiting the file operation per file storage area; a total file number obtaining unit obtaining a total file number of a file storage area not limited; a file number limiting unit limiting the file operation when the total file number exceeds a predetermined upper-limit value; a total file capacity obtaining unit obtaining total file capacity of a file storage area not limited by the file storage area limiting unit; and a file capacity limiting unit for limiting the file operation when the total file capacity after the file operation exceeds a predetermined upper-limit value.
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