application control block(ACB)
In IMS/VS, a control block created from the output of data base description generation (DBDGEN) and program specification block generation (PSBGEN) and placed in the ACB library for use during online and DBB region type execution of IMS/VS.; 在IBM的信息管理系統(tǒng)IMS/VS中的一種控制塊,它是由數(shù)據(jù)庫(kù)描述生成(DBDGEN)部分和程 序規(guī)格說(shuō)明生成(PSBGEN)部分的輸出而建立并被放在ACB庫(kù)里,在聯(lián)機(jī)和在IMS/VS的DBB區(qū) 域類(lèi)型執(zhí)行期間使用。