Download and installation
-------------------------
-Unix users: download and install using your package manager.
+Unix users: `download and install using your package manager
+<https://git-scm.com/download/linux>`_.
Microsoft Windows: download `git-for-windows
<https://github.com/git-for-windows/git/releases>`_ or `msysGit
To see the diff between the index and the last commit (i.e., collected
patches) use ``git diff --cached``. To see the diff between the
working tree and the index (i.e., uncollected patches) use just ``git
-diff``.
+diff``. To see the diff between the working tree and the last commit
+(i.e., both collected and uncollected patches) use ``git diff HEAD``.
See `WhatIsTheIndex
<https://git.wiki.kernel.org/index.php/WhatIsTheIndex>`_ and