To reduce a maintenance cost by easily and efficiently performing environmental information setting work even when the number of equipment for setting environmental information becomes large.

This computer 1 having a portable recording medium 10 and a nonvolatile fixed storage device 17 comprises a saving means for saving save information including system information and user data stored in the fixed storage device, into a storage device 2 on a network, and storing profile information including network connection information for the network connection of the computer 1 to the storage device 2 on the network, into the portable recording medium 10 synchronously with the saving, and a restoring means for restoring the user data and system information based on the save information stored in the storage device 2 on the network by the network connection of the computer 1 to the storage device 2 on the network based on the network connection information stored in the portable recording medium 10.

COPYRIGHT: (C)2007,JPO&INPIT