| 摘要 |
A file switching apparatus comprises a file name storage unit for storing a name of file having been used up to a file switching time; two storage units, being two file contents storage units, comprising one storage unit in which contents of file used up to this time are copied and the other storage unit in which contents of new file are to be copied at the file switching time; and a switching unit for making the file name storage unit store a name of the file having been used up to the file switching time, copying contents of the new file in the latter storage unit and emptying the stored contents of the former storage unit at the file switching time.
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