| 摘要 |
<p>A server (10) of the present invention is provided with a storage unit (11) for storing shared files, a state control unit (12) for setting a shared file to either a locked state or an unlocked state on the basis of a request from a client, a state information storage unit (13) for storing state information of the shared file, a reservation unit (14) for reserving a shared file which is in a locked state so that the file can be edited at one client as soon as the file becomes unlocked, a state information output unit (15) for outputting state information to the client, a forced termination unit (16) for forcing a shared file that has been in a locked state over a long time to be unlocked, and a communication unit (17) for performing communication with the client.</p> |
