Renaming files in OS X is as easy as selecting them and pressing Return; however, if you regularly rename many files then you might benefit from setting up a rename workflow in Automator.

There's more to copying and renaming files on Linux than cp and mv. Try some commands and strategies that might surprise you and save you some time.

You've created hundreds of files using one naming convention only to discover that a different convention is required. Don't sweat it. With Automator you can batch rename them with ease.