One of the many new features announced in the WWDC keynote was the availability of keyboard shortcuts for iPad external keyboards in iOS 9.
The linked article offers a quick look at some of the shortcuts discovered so far.
iOS 9 iPad keyboard shortcuts
wow these are awesome! I already use these commands in OSX so it’s going to be so nice being able to use them on the iPad and even more so on the iPad Pro!
Seriously these are basically everything that separates a Mac from an iPad if you are a writer. They are, indeed, excellent.