In ACF/TCAM, a system services program that saves unsent messages on a sequential storage device and restores them to an altered message control program following a cold restart. This program also facilitates recovery when the message queue data set on nonreusable disk becomes full and may be usedto obtain an online dump of unsent messages from one or more destination queues.; 在IBM的通信系统软件ACF/TCAM中的一种系统服务程序,用来将未发送的报文保存在顺序 存储设备上,且紧随冷启动之后,利用一更改报文控制程序恢复这些报文。在不可再使用 磁盘上的报文队列数据集填满时,该程序也给恢复带来方便。此程序还能用来从一个或 多个目的地的队列上获取未发送报文的联机转储(文件)。