- routine extremity英語(yǔ)什么意思：A routine that is used when initiating a new tape or when reaching the endof reel of a multireel file. This routine need not be included in memory if all tapes are setup or initiated automatically by the system supervisor and the open or close macros are not used. The importance of this routine is that it performs necessary tape housekeeping, checks on the operator, and provides necessary information concerning the program being run.; 當(dāng)初始化一盤新帶，或一個(gè)多卷文件到達(dá)卷尾時(shí)使用的例行程序。如果所有磁帶都已準(zhǔn)備好，或已由系統(tǒng)管理程序自動(dòng)進(jìn)行了磁帶的初 始化，不用打開(kāi)宏指令或關(guān)閉宏指令時(shí)，則無(wú)需將該例行程序裝入內(nèi)存。這一例行程序的重 要性在于它進(jìn)行必要的磁帶內(nèi)務(wù)處理，對(duì)操作員的工作進(jìn)行檢查，并提供有關(guān)程序運(yùn)行的必 要信息。
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