摘要 |
The present invention provides methods and apparatuses that utilize a plurality of portable apparatuses to securely operate a plurality of host computers. Each portable apparatus including an operating system and a list of software applications is installed in a removable data storage medium. An authorization procedure is implemented before establishing a connected-state operation between a portable apparatus and a host computer. The host computer loads the operating system in the portable apparatus into its random access semiconductor memory (RAM) through the established connected-state operation.
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