How to define testacular.conf.js file

I'm facing issues to define testacular.conf.js file. I'm new to node.js and Testacular. Any suggestions will be useful. For now I have installed Node.js and I have also installed Testacular with the command npm install -g testacular. I have checked the version with: testacular --version, which shows 0.6.0. Now my question are:

• how to define the Config file for testacular?
• where to define testacular.conf.js file

I have tried doing it with the command testacular init but when I choose a framework it's not letting me go down, even if I press Enter nothing happens.

If someone can help me out with some sample program or example I'll be thankful to you. I have seen few links, like:

• https://github.com/testacular/testacular/blob/master/test/client/testacular.conf.js
• https://github.com/testacular/testacular

which are also showing an error, like LogInfo not defined and jasmin not defined.

Can you please give me an example? Thanks in advance.