cars3.dot

digraph {
0 -> 1[label="0 kernel"]
0 -> 2[label="1 apache"]
0 -> 3[label="2 smtpd"]
1 -> 4[label="3 apache"]
1 -> 5[label="4 smtpd"]
2 -> 4[label="5 kernel"]
2 -> 6[label="6 smtpd"]
3 -> 5[label="7 kernel"]
3 -> 6[label="8 apache"]
4 -> 7[label="9 smtpd"]
5 -> 7[label="10 apache"]
5 -> 8[label="11 root"]
6 -> 7[label="12 kernel"]
7 -> 9[label="13 root"]
8 -> 9[label="14 apache"]
}