Patent ID: 8199351

Claim:
An information processing system comprising: a server apparatus; and at least one client apparatus coupled to and communicatable with the server apparatus via a network; said server apparatus comprising: a first storage unit; a first detection unit configured to detect installing of a plug-in file in the first storage unit; a first storage area; a first writing unit configured to write binary image data of the plug-in file detected by the first detection unit to the first storage area; and a copy unit configured to copy the binary image data of the plug-in file written in the first storage area by the first writing unit to the client apparatus, said client apparatus comprising: a second storage unit; a second storage area; a second detection unit configured to detect copying of the binary image data of the plug-in file in the second storage area; a second writing unit configured to write the binary image data of the plug-in file stored in the second storage area in an executable state within the second storage unit; and a read unit configured to read the plug-in file as a program from the second storage unit.