- All apps run without security warning:
sudo spctl --master-disable
- Disable SIP:
csrutil disable
(from recovery - ⌘R at boot)
Back in 1999, Mac OS X ran in Single App Mode. In this state, opening an app minimizes the current one - and you can still make macOS behave that way today.
- Enable:
defaults write com.apple.dock single-app -bool true;killall Dock
- Disable:
defaults write com.apple.dock single-app -bool no;killall Dock
The new-ish super slim 12-inch 2015 MacBook was the first of it's kind to make a chime when being plugged in. It's possible to have this on any MacBook with the command below.
- Enable:
defaults write com.apple.PowerChime ChimeOnAllHardware -bool true; open /System/Library/CoreServices/PowerChime.app &
- Disable:
defaults write com.apple.PowerChime ChimeOnAllHardware -bool false;killall PowerChime