```
$ mongod --config /etc/mongod.conf
ERROR: could not read from config file

Allowed options:

General options:
  -h [ --help ]               show this usage information
  --version                   show version information

```

---

When I run "mongo" command terminal becomes unresponsive:

```
$ mongo
MongoDB shell version: 2.4.5
connecting to: test

--- no response ----

```

Please note: I'm running MongoDB on MacOS X for the first time.