Is there a way to make alt-f and alt-b jump word forward and backward instead of printing ƒ and ∫ on Mac?

If you want to re-enable them for the terminal

Terminal -> Preferences -> Keyboard

Check 'Use Option as Meta key'

my iTerm2 version is 3.1.6, profile -> keys -> set Esc+

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Maybe one of these helps? (I don't use OSX myself, so I can't test anything).

http://blog.sensible.io/2012/10/19/mac-os-x-emacs-style-keybindings-everywhere.html
http://aufflick.com/blog/2006/01/10/emacs-keybindings-everywhere

Summary from first URL:

Create file ~/Library/Keybindings/DefaultKeyBinding.dict with the following content and restart all apps.

{ "~d" = "deleteWordForward:"; "^w" = "deleteWordBackward:"; "~f" = "moveWordForward:"; "~b" = "moveWordBackward:"; }

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