- In IMS／VS, an interface that allows installations to monitor and control IMS／ VS activities. The interface enables (a) an application program, using DL／1 calls, to issue a subset of IMS／VS operator commands and receive command responses, (b) a user exit routine to monitor activities and take appropriate action, and (c) operator commands, responses, and asynchronous output destined for the IMS／VS master terminal to be logged to the secondary master terminal.; 虚存信息管理系统(IMS／VS)中的一种接口,它允许某些装置对IMS／VS的活动进行监视 与控制。该接口能使:(1)一个使用数据语言(DL／I)调用的应用程序发出部分IMS／VS命令 并接受这些命令应答;(2)一个用户出口例行程序监视这些活动并采取适当的行动;(3)把指 定给IMS／VS主终端的操作员命令、应答和异步输出等送到次级主终端。
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