| 摘要 |
A storage device is removably connectable to a host computer. The storage device includes: a storage unit on which one or more storage areas are allocatable to a plurality of users; and a control unit. The control unit is operable to, when the storage deice receives authentication success information indicating that authentication for one of the users is succeeded from the host computer or other external device, simulatively mount the storage area allocated to the authenticated user and unmount the storage area allocated to another user.
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