Renaming an open document is simple in Mountain Lion. You just have to find the hidden menu. Here’s where it is.
The Path Bar quickly shows where a file is and gives you speedy access to any folders in the file’s path.
Quickly go to any folder on your Mac.
A couple of ways to rename files on a Mac.
Use Get Info to rename a file. This is like using Properties on Windows.
File permissions allow certain users to do certain things. If the permissions get tangled up you can fix them with Disk Utility.