Patent ID: 8346786

Claim:
An information processing system, comprising: a first information processing apparatus on a first local area network (LAN); and a second information processing apparatus on a second LAN connected to the first LAN over a network connection, wherein the first information processing apparatus comprises: an acceptance section that accepts first storage location information that indicates a first location on the first LAN at which a first electronic file is stored in a first storage unit; a conversion section that (i) converts the first storage location information to second storage location information that indicates a second location on the second LAN at which a second electronic file is stored in a second storage unit on the second LAN, the second electronic file having an identical content as that of the first electronic file and (ii) transmits the second storage location information from the first processing section to the second information processing over the network connection; and a first processing section that (i) modifies contents of the first electronic file in accordance with a processing instruction input by a user of the first information processing apparatus and displays the modified contents of the first electronic file on a first display of the first information processing apparatus, and (ii) transmits to the second processing apparatus information that indicates the processing instruction, and wherein the second information processing comprises: a second processing section that (i) receives the second storage location information over the network connection, accesses the second electronic file from the second location using the second storage location information, and displays the second electronic file on a second display of the second information processing apparatus, and (ii) receives the information that indicates the processing instruction over the network connection, modifies contents of the second electronic file in accordance with the processing instruction indicated by the information, and displays the modified contents of the second electronic file on the second display.