ex3.dot

digraph G {
  rankdir = LR;
  overlap = scale;
  # http://www.graphviz.org/content/global-subgraph-style-statements
  graph [shape="folder", style="rounded"];
  node [shape="note", color="blue", fontcolor="blue"];
  subgraph "cluster" {
    label="/";
    subgraph "cluster/home" {
      label="home";
      subgraph "cluster/home/ckhung" {
        label="ckhung";
        subgraph "cluster/home/ckhung/.gnupg" {
          label=".gnupg";
          "/home/ckhung/.gnupg/pubring.gpg" [ label="pubring.gpg"];
          "/home/ckhung/.gnupg/secring.gpg" [ label="secring.gpg"];
        }
        subgraph "cluster/home/ckhung/private" {
          label="private";
          subgraph "cluster/home/ckhung/private/config" {
            label="config";
            subgraph "cluster/home/ckhung/private/config/.ssh" {
              label=".ssh";
              "/home/ckhung/private/config/.ssh/id_rsa" [ label="id_rsa"];
              "/home/ckhung/private/config/.ssh/id_dsa" [ label="id_dsa"];
            }
            subgraph "cluster/home/ckhung/private/config/.gnupg" {
              label=".gnupg";
              "/home/ckhung/private/config/.gnupg/secring.gpg" [ label="secring.gpg"];
            }
          }
        }
        subgraph "cluster/home/ckhung/work" {
          label="work";
          subgraph "cluster/home/ckhung/work/config" {
            label="config";
            subgraph "cluster/home/ckhung/work/config/.gnupg" {
              label=".gnupg";
              "/home/ckhung/work/config/.gnupg/pubring.gpg" [ label="pubring.gpg"];
            }
            subgraph "cluster/home/ckhung/work/config/.ssh" {
              label=".ssh";
              "/home/ckhung/work/config/.ssh/id_dsa.pub" [ label="id_dsa.pub"];
              "/home/ckhung/work/config/.ssh/id_rsa.pub" [ label="id_rsa.pub"];
            }
          }
        }
        subgraph "cluster/home/ckhung/.ssh" {
          label=".ssh";
          "/home/ckhung/.ssh/id_dsa.pub" [ label="id_dsa.pub"];
          "/home/ckhung/.ssh/id_rsa.pub" [ label="id_rsa.pub"];
          "/home/ckhung/.ssh/id_rsa" [ label="id_rsa"];
          "/home/ckhung/.ssh/id_dsa" [ label="id_dsa"];
        }
      }
    }
  }
   "/home/ckhung/.gnupg/pubring.gpg" -> "/home/ckhung/work/config/.gnupg/pubring.gpg"
   "/home/ckhung/private/config/.gnupg/secring.gpg" -> "/home/ckhung/.gnupg/secring.gpg" [ dir=back; ];
   "/home/ckhung/private/config/.ssh/id_dsa" -> "/home/ckhung/.ssh/id_dsa" [ dir=back; ];
   "/home/ckhung/.ssh/id_dsa.pub" -> "/home/ckhung/work/config/.ssh/id_dsa.pub"
   "/home/ckhung/private/config/.ssh/id_rsa" -> "/home/ckhung/.ssh/id_rsa" [ dir=back; ];
   "/home/ckhung/.ssh/id_rsa.pub" -> "/home/ckhung/work/config/.ssh/id_rsa.pub"

}