jack@jackdesktop ~ [1]> bash -c "cksum `which less` `which more`" 3407085100 179664 /usr/bin/less 110370394 38816 /usr/bin/more jack@jackdesktop ~>
Not a symlink (or even a hard link) on my OS X laptop, but the same executable.
On my OpenBSD systems, they're hard links.
On my Ubuntu system, they're separate.