Parallel processing possesses incomparable superiority relative to traditional sequential processing.

与传统的串行处理相比,并行处理有着无可比拟的优越性.

VSAM is used for direct or sequential processing of fixed - length and variable - length records on DASD.

VSAM用来对DASD上定长或变长的记录进行直接或顺序的处理.