single program initiator (SPI)
In VSE, a program that is called into main storage to perform job control type functions for foreground programs not executing from batch job input.; 在IBM的虛擬擴(kuò)充存儲系統(tǒng)(VSE)中的一種程序,把它調(diào)入主存(儲器),用來為前臺程序(不是通過批作業(yè)輸入來執(zhí)行)完成作業(yè)控制類型的操作。參閱foreground initiator。