I really like the "tail -r" answer, but my favorite gawk answer is....
gawk '{ L[n++] = $0 } END { while(n--) print L[n] }' file
I really like the "tail -r" answer, but my favorite gawk answer is....
gawk '{ L[n++] = $0 } END { while(n--) print L[n] }' file