| 摘要 |
PURPOSE:To prevent a decrease of an execution speed of a program by dispensing with a backup processing of data in a work station. CONSTITUTION:The data backup device 1 is connected to an interface 4 between a work station 2 and a data file 3, and an LAN 5, and this data backup device 1 is provided with a data reading means 6 for reading data in the interface 4, a data transfer means 7 for transferring the data read by the data reading means 6 to the other data backup device through the LAN 5, and a data writing means 8 for writing the data transferred from the other data backup device in a data file through the interface 4. |
