Data processor, data storing method, and data storage program

TL;DR: In this article, a file management system consisting of a terminal device 1, a file storage device 2, a deletion management file 3 which contains deletable file names, a symbolic link management file 4 which contains symbolically linkable files, registering means 6 which decides and registers the deletion level, inputted together with a file name, a deleting means 7 which deletes deletable files by referring to the delete management file and performs a symboliclink process, an adaption management means 9 which places the deleting means 8 in operation when free capacity becomes less than a reference value, and a

TL;DR: In this article, the problem of making installable when the total free capacity of an available drive is sufficient even when the free capacity at the destination of install is not sufficient is addressed.