FWIW, the iPhone Terminal app for jailbroken users has similar gestures like this for the common control sequences. They work pretty well, it just takes a whil

FWIW, the iPhone Terminal app for jailbroken users has similar gestures like this for the common control sequences. They work pretty well, it just takes a while to remember which one is which (early on, trying to guess the Ctrl-C swipe can take quite a while.)