There is provided a computer readable medium storing a program causing a computer to execute a process for providing a file in response to a file request. The process includes acquiring, when a file request is received from a client, a file ID that uniquely identifies the requested file and a directory path from file location information that is indicated in the received file request; judging whether or not the file corresponding to the acquired file ID exists on the acquired directory path; and if, as a result of the judgment, the file corresponding to the acquired file ID exists, acquiring the file corresponding to the acquired file ID and providing the acquired file as the requested file to the client, wherein if, as a result of the judgment, a file corresponding to the acquired file ID does not exist, a current directory path corresponding to the acquired file ID is determined, file location information indicating the determined current directory path and the acquired file ID is generated, and the generated file location information is provided to the client in response to the file request.