To host locally do:
bundle install
bundle exec jekyll serve
The url at which the project is being served will be printed. It will probably be http://127.0.0.1:4000/what_is_a_filesystem/.
To run tests, install jasmine and run jasmine server.
The docs are at http://aneeshdurg.me/what_is_a_filesystem/pages/writing-programs.html. You can view the source for the docs in this repo at /_pages/writing-programs.md.