Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
with stack you'll gain a configuration where you'll be able to comfigure and see all of your stacked switches as a unique switch with all the ports summed up.
I do not know if you have a particular doubt on configuration but i believe the best thing is to read the deployment guide and figure out how you want them to work.
http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-3850-series-switches/deployment_guide_c07-727067.html
hope this helps
max