ReGuess

A user-facing help page or sidebar that lists the available built-in/predefined functions (and how to type them) would be nice. This goes hand-in-hand with #194, in that both are issues...

For the following set commands in step 6 of the [instructions for Ubuntu on the Installation Guide](https://github.com/RadeonOpenCompute/ROCm_Documentation/blob/master/Installation_Guide/Installation-Guide.rst#ubuntu): ``` echo 'ADD_EXTRA_GROUPS=1' sudo tee -a /etc/adduser.conf echo 'EXTRA_GROUPS=video' sudo tee -a /etc/adduser.conf...