Abstract: Disclosed is an apparatus for sharing a collaboratively edited document according to an exemplary embodiment of the present disclosure. The apparatus for sharing a collaboratively edited document may include: a command transferring server configured to receive two or more edition commands related to a collaboratively edited document from one or more clients included in a client group including two or more clients, and transmit the two or more edition commands to each of the clients included in the client group based on an order of the reception of the edition commands; and an engine-pool server configured to, when a predetermined condition is satisfied, update a seed document file related to the collaboratively edited document based on a command list collected based on the order of the reception of the received edition commands.

Abstract: The present disclosure relates to a method and an apparatus for sharing common documents using a dualized server. The method of sharing common documents using a dualized server according to an embodiment of the present disclosure includes: providing a common document file to a document edit terminal; receiving edit instructions for editing the common document file from the document edit terminal; keeping the edit instructions, which are received until an updating condition for updating the common document file is satisfied, sequentially on an edit instruction list; and updating the common document file on the basis of the common document file and the edit instruction list through an engine for updating the common document file, when the updating condition is satisfied. Further, the method and the apparatus can rapidly edit common document shared by a plurality of document edit terminals, using a small amount of resources.