By default in iTerm 2, it's a pain to skip between words. Here's how you can configure iTerm 2 on OSX to allow you to use ⌥ ← and ⌥→ to do just that. First you need to set your left ⌥ key to act as an escape character. Second you need to either locate the current shortcut for ⌥ ← or create a new one, in the Profile Shortcut Keys, with the following settings: Keyboard Shortcut: ⌥← Action: Send Esca