Test datasets are also available on the main download page.
All demonstration commands on this site assume you are in the examples folder (so once you unzip the ldak file, you will see three folders: source, libraries and examples).
Each command starts
so most likely, you will have to replace this with the version specific link, such as
(or rename the version specific executable ldak.out)
And remember, all arguments are preceded by two dashes, even if on the website this shows up as one long dash!