FINUFO

FirstInNotUsedFirstOut. A discard algorithm, when space is required for a new page/segment, the one that has been in primary storage the longest time (or greatest number of instructions) without being used is the first (next) to be rolled out or overwritten.; 一種淘汰算法,當一個新的頁面或段請求空間時,在主存內駐留時間最長(或指令數最多) 的未被使用過的頁面或段先被調出或重寫。