| 摘要 |
An inter-system communication system makes a communication between at least two operating systems. The inter-system communication system includes a virtual machine control program for generally controlling at least first and second operating systems, a data transfer mechanism provided in the virtual machine control program, a request part provided in each of the first and second operating systems for transmitting a transfer request to the data transfer mechanism, and a main storage region provided in each of the first and second operating systems and having a buffer region. The data transfer mechanism transfers data between the buffer region within the main storage region of the first operating system and the buffer region within the main storage region of the second operating system in response to a transfer request from the request part of one of the first and second operating systems.
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