*** All parents ***
[
  { cmd => "sh_kit", pid => 18425, ppid => 18423 },
  { cmd => "sh_kit", pid => 18425, ppid => 18423 },
  { cmd => "sh_kit", pid => 18425, ppid => 18423 },
  { cmd => "cron_child", pid => 18421, ppid => 603 },
]
*** 18444 grandparent ***
{ cmd => "sh_mon", pid => 18423, ppid => 18421 }
*** 18444 greatgrandparent ***
{ cmd => "cron_child", pid => 18421, ppid => 603 }
*** All ancestries ***
{
  18444 => [
             { cmd => "java", pid => 18444, ppid => 18425 },
             { cmd => "sh_kit", pid => 18425, ppid => 18423 },
             { cmd => "sh_mon", pid => 18423, ppid => 18421 },
             { cmd => "cron_child", pid => 18421, ppid => 603 },
           ],
  28444 => [
             { cmd => "java", pid => 28444, ppid => 18425 },
             { cmd => "sh_kit", pid => 18425, ppid => 18423 },
             { cmd => "sh_mon", pid => 18423, ppid => 18421 },
             { cmd => "cron_child", pid => 18421, ppid => 603 },
           ],
  28445 => [
             { cmd => "java", pid => 28445, ppid => 18425 },
             { cmd => "sh_kit", pid => 18425, ppid => 18423 },
             { cmd => "sh_mon", pid => 18423, ppid => 18421 },
             { cmd => "cron_child", pid => 18421, ppid => 603 },
           ],
  99999 => [
             { cmd => "java", pid => 99999, ppid => 18421 },
             { cmd => "cron_child", pid => 18421, ppid => 603 },
             { cmd => "cron_parent", pid => 603, ppid => 0 },
             { cmd => "root", pid => 0, ppid => 0 },
           ],
}