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.; 緊跟在文件最后一個記錄后的一種內部標號,用以通知該文件的結束。它可能包括用以同處理期間累計的計數值相比較的控制總數。 2.Termination or point of completion of a quantity of data. End-of-file marksare used to indicate this point. | 一批數據的終止或結束點,使用文件結束標記來指示這一點。