本程序从若干个原始文件合并成的文件中恢复出其中一个或全部原始文件。合并文件中先顺序存储各原始文件，然后顺序存储各原始文件的控制信息，即文件名，文件长度和在合并文件中的位置。-this program from a number of original documents into the document resume out one or all of the original documents. The merger document storage of the first order of the original document, then the storage order of the original document control information, documents, and document length and the merger document position.