Originally Posted by kychia
As mentioned by sherlock5545, ES File Explorer is a free alternative to Root Explorer. After installing ES File Explorer from Play Store, check Root Explorer, under settings\Root Settings.
Yet to root my S3 yet, but from the many video links avail, it should be quite straightforward, if you follow the right link for your model.
Thanks for the info, I would have to add that you need to change the "Home Directory" to "/" so you can see the root files. It took me awhile to figure that out. Thanks.