Thinking from an infrastructural perspective, I think it would be great
if Sandbox could be upgraded earlier to enable us to familiarize
ourselves with what is coming up in the production environment instead
of releasing the reverse.
I was able to use this simple script to accomplish this, where John is
the Username; dscl . -append /groups/admin GroupMembership john Hope
this helps.
I was able to accomplish this using this simple script, where John is
the Username; dscl . -delete /Groups/admin GroupMembership john Hope
this was helpful
