So expect your favorite iOS text editor to add support for this very soon. The iOS 7 SDK lets developers add custom keyboard shortcuts in their apps for external Bluetooth keyboards.

↑ or ↓ select suggested email address in To/CC/BCC popover fields.

Backspace key to delete the currently selected message.←+→, then Option + ← or Option+→ navigate through Dock.Command Tab switch back to the original app.Command Shift Tab switch to the previous app.Control Option S turn VoiceOver speech on or off.Along with the shortcuts, this will also enable the actual voice over, but you can turn that off by pressing Control + Option + S. To switch it on, go to Settings > General > Accessibility > and turn on VoiceOver. While not normally enabled, iOS will also let you switch between apps and do a lot more if you enable VoiceOver. ⇧Alt→ Select the text on the right, word by word.⇧Alt← Select the text on the left, word by word.⇧Alt↓ Select the text below, line by line.⇧Alt↑ Select the text above, line by line.⇧⌘→ Select the text to the end of the line.⇧⌘← Select the text to the beginning of the line.⇧⌘↓ Select all the text to the end of the document.⇧⌘↑ Select all the text to the beginning of the document.Alt (Option) Delete to Delete the word before the cursor.Control K to Delete the text to the end of the line.⌘Delete to Delete the text to the beginning of the line.These shortcuts are the same as on any Mac, so you shouldn’t have any problem picking them up quickly on the iPad. ⌘ Space Display a list of available languages to choose one, tap the space bar again.

Since most of these shortcuts are largely undocumented, you can refer to this list to get started: So if you’re in a text editing application, you won’t have to take your hands off the keyboard each time you want to select text to copy and paste. While keyboard shortcuts are hard to remember, they’re a great productivity boost once you get over the learning curve. So here’s an exhaustive list of keyboard shortcuts for iPhone and iPad that can be used with a Bluetooth wireless keyboard. Yesterday we told you about new keyboard shortcuts added in iOS 7, but iOS already supported a bunch of keyboard shortcuts that many people might not be aware of.

Logitech keyboard commands