PURPOSE:To improve the working efficiency and the reliability of a method for copying a flexible disk. CONSTITUTION:When an idle disk 3 on which a content display label 2 is previously stuck together with discriminating information 1 is carried to a copying machine 4, the information 1 is read through a proper optical recognition means 5 and master file data 7 stored in a data housing means 6 is accessed by regarding the information 1 as an index so as to be copied on the idle disk 3.
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