Ghosting child processes

master.js
---
var spawn = require('child_process').spawn;
var child = spawn("node", ["child.js"]);

console.log("Child %PID ", child.pid);

setTimeout(function() {  
  console.log("Shutdown");
  process.exit();
}, 1000);



child.js
---
var i = 0;
setInterval(function() {
  i++;
}, 100);


Shell
---
# Listing the new 
ps -a | grep %PID