It links to all the other files. Be warned that the first few All and Frequency files tend to be a bit big. By default, fsconcordance assumes you're dealing with prose. It treats the sentence as the basic logical unit of text, within which it finds phrases. This is the second sentence.
Poetry is different.
If you have any better ideas, contact me. Milton repeats verbatim six or seven lines in Paradise Lost. Use fsconcordance to find those lines. Robin Williams in Dead Poets Society would surely object to this mathematical approach. Or works by the same author.