The cheatsheet says that for expanding selection I should use Ctrl-Up, but it doesn\'t work for me on the latest intelliJ, with Mac OS X 10.7.4
What is the
It's called now Extend selection, as mentioned before by default AltUp.
IntelliJ IDEA 2019.1 (Ultimate Edition), Build #IU-191.6183.87
macOS Mojave 10.14.3
Select word: option+Up arrow
(IntelliJ IDEA 2016.2.3 on macOS Sierra 10.12)
Depends on Preferences | Keymap. The action is called Select Word at Caret.
Mac OS X keymap: CmdW (Cmd=Meta)Mac OS X 10.5+ keymap: AltUp (Alt=Option=⌥)To get all functional you can bind 2 action into Keymap[Editor Actions]: