| 摘要 |
In writing a new file over an existing file, if it is set that the existing file is to be stored into an archive, it is confirmed whether or not there is an archive file for the existing file, and the existing file is stored into the archive file. After the existing file is stored into the archive file, the new file is written over the existing file and stored. By performing such a process, a file management program product is provided that can suitably execute an overwriting process while considering the convenience of a user and can protect the original file.
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