- 數(shù)據(jù)控制程序塊
- 數(shù)據(jù)控制塊
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data control block中文什么意思
百科釋義
In IBM mainframe operating systems, such as OS/360, MVS, z/OS, a Data Control Block (DCB) is a description of a dataset in a program. A DCB is coded in Assembler programs using the DCB macro instruction (which expands into a large number of "define constant" instructions).
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