# node server.js
   info  - socket.io started
null
   debug - served static content /socket.io.js

# node debug server.js
< debugger listening on port 5858
connecting... ok
break in server.js:1
  1 var app                 = require('http').createServer(handler),
  2     io                  = require('socket.io').listen(app),
  3     fs                  = require('fs'),
debug> c
< info: socket.io started
< null
debug> c