Using programming method to produce master boot recordcode in order to boot multiple operating systems.
使用编程方法生成主引导区启动代码，达到自动引导多个操作系统的目的。
2
This program accepts an operation code and a record key as inputs, then reads the VSAM dataset and returns the record back to CICS.
这个程序接受一个操作码和一个记录键作为输入，然后读取VSAM数据集并将记录返回给CICS。
3
One of the primary benefits of incorporating a record enumerator into your code is that it includes options for searching the record store, and for retrieving records in sorted order.