Git Configuration Files
-----------------------

[graphviz]
----
digraph {
  rankdir=BT
  node [style=bold, shape=box, fontname=arial, fontsize=20, width=4, height=1.2]
  edge [style=bold, arrowhead=empty, arrowsize=2]

  system [label="System\n<gitinst>/etc/gitconfig", style=filled, fillcolor="#FFAAA1"]
  global [label="User Global\n$HOME/.gitconfig", style=filled, fillcolor=lightskyblue]
  repository [label="Repository Specific\n.git/config", style=filled, fillcolor="#ABFFBB"]
  repository -> global -> system
}
----

3 levels of configurations files:
[role="incremental"]
* system wide
* user global
* repository local