Need help urgent ( bootstrap)

Hi All,

 I need help I have a PIP2A1 and PIP3A4 implemented for one of our vendors. Now they are sending the Bootstrap files and they want to updating backend and webMethods with the bootstrap. Can you please tell me what is a bootstrap file and how do we need to run these scripts.

 What I know is its some thing related to PIP2A1. Please help.

Thanks,
Mohd Muneeruddin