Hmmmm.. A interesting use of many open source tools coming together to make this happen.
With Gmail's 2GB mail box size, someone had to just think of it. And here we have someone running Linux commands on his/her Gmail mail box!!!!
I think this is a very cool piece of work and interesting.
One more round to Open Source (wonder how much would have been possible if everything was closed source!!! :) )
run linux on gmail - hack a day - www.hackaday.com _: "hack a day serves up a fresh hack each day, every day from around the web and a special how-to hack each week.