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Mac

Hotkeys

screenshots

Control+⌘+Shift+4 cross hair screenshot selection auto copy to clipboard
⌘ + Shift + 5 Selection screenshot

window management

Ctrl + ↑ opens desktop overview

Brew

Most brew config files in /usr/local from there you'll find etc bin var etc

brew install ranger → non GUI, saves to /usr/local/Cellar
brew cask install atom → GUI saves to /usr/local/Caskroom