Here are ideas for this bof.

Title: Modules and HPC

* Why are modules important?

Modules are where we as service providers communicate the optional
software we provide.

* issue
** bash and interactive shells
** Choices for Bash
*** patch bash
*** expect users to source /etc/bashrc in their ~/.bashrc
*** #!/bin/bash -l?

* Hierarchy vs Flat?

* How to transition from one layout to another
