# HG changeset patch
# User Arne Babenhauserheide
Even if you stick to these basics, Mercurial is quite powerful. And they are very easy to use, once you see the model behind them: Each repository has the whole history, and history is -not necessarily linear (part 2 explains that model in a bit more detail).
+not necessarily linear (part 2 explains that model in a bit more detail). All that history is +stored in the ".hg" file inside the top-level folder of your project.A quick overview of the basic commands: