end of file(EOF)

1.An internal label, immediately following the last record ofa file, signalling the end of that file. It may include control totals for comparison with counts accumulated during processing.; 紧跟在文件最后一个记录后的一种内部标号,用以通知该文件的结束。它可能包括用以同处理期间累计的计数值相比较的控制总数。 2.Termination or point of completion of a quantity of data. End-of-file marksare used to indicate this point. | 一批数据的终止或结束点,使用文件结束标记来指示这一点。