Help me fill out this page! It's freely editable. What programs should be listed? I'm using "biggest" in the sense of substantial, not necessarily the raw number of lines. Hand-written shell scripts. There are many big autoconf-generated scripts, like the 70K-line coreutils script, but I don't consider them substantial in this sense. Shell programs that use data structures and algorithms. As a counterexample, bash-completion is pretty sophisticated, but it's also repetitive because it has a r...