| 摘要 |
A data synchronizing system includes providing terminals and an acquiring terminal. The acquiring terminal includes a first connecting device, an acquiring device that acquires files, a first file storing device that stores the files, a data modify command device that issues a command to modify a data item in the file, a first data modifying device that modifies the data item based on the command, and a modification history storing device that stores modification histories of modifications of the data items such that acquisition source terminals are identifiable. The providing terminals each includes a second connecting device, a second file storing device that stores files, a corresponding file history acquiring device that acquires at least a modification history for the file for which the acquisition source terminal is the providing terminal, and a second data modifying device that modifies the data item based on the acquired modification history.
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