Patent ID: 7584199
Filing Date: 2009-09-01
Classification: G06F,Y10S

Abstract:
1. A method for managing files shared by a plurality of client apparatuses in a server apparatus connected through a network to the plurality of client apparatuses, the method comprising: receiving an access request to a file among the shared files from a first client apparatus among the plurality of client apparatuses; deciding whether the file is being edited by any other client apparatus among the plurality of client apparatuses or not based on file management data which includes access information of the shared files; when it is decided that the file is being edited by no other client apparatus among the plurality of client apparatuses, allowing the first client apparatus to open the file and permit editing of the file by the first client apparatus; and when it is decided that the file is being edited by a second client apparatus among the plurality of client apparatuses, the second client apparatus editing the file including a portion which the first client apparatus intends to edit, presenting to the second client apparatus a first graphic user interface for requesting the second client apparatus whether to permit or to reject editing of the portion by the first client apparatus, and when a notification to permit editing of the portion is received from the second client apparatus, allowing the first client apparatus to open the file in a status wherein and permit editing of the portion by the first client apparatus.