Origin of LIFOl(ast) i(n), f(irst) o(ut)
lifo - Computer Definition
A buffering method in which the entity that first exits the buffer is the one that last entered.Thereby, the entity served (e.g., processed or switched) is the one that waited the shortest period of time. LIFO is commonly used in file systems and e-mail systems, as the last file or correspondence saved is the first retrieved, or at least appears first in the stack. See also FIFO and queue.