- I open new shells in the same directory I left off in another (very last
cd
). This confuses the fuck out of people but once you start using it you'll never switch back. - My tmux config on OS X is a hurt piece.
reattach-to-user-namespace
slows new shells like molasses. Something I need to get rid of and is also why recently I've found I'm far more productive working under a *NIX than macOS.