Patent ID: 8417724
Filing Date: 2013-04-09
Classification: G06F

Abstract:
1. A file server for extracting a desired file list from a plurality of stored files and sending the file list to a client, comprising: acquisition means for acquiring the number of files to be displayed and start point information identifying a start point of a file list to be extracted; extraction means for extracting a file list corresponding to the acquired number of files and start point information from files stored as a partitioned data set in a storage device; calculation means for calculating the numbers of preceding stored files before the extracted file list and succeeding stored files after the extracted file list; result sending means for sending the client the calculated numbers of preceding and succeeding files and the extracted file list; and cache storage means for storing, in a cache memory, a total file list in which file names of files stored as a partitioned data set in the storage device are sorted, wherein the extraction means extracts a file list from the cache memory based on the number of files and start point information acquired.