Mac Terminal Commands

These are the Terminal commands I'm using on my current Mac and that I will have to re-enter when I get a new one.

X-ray Folders
Quick Look a folder and its contents' icons can be seen through it. defaults write com.apple.finder QLEnableXRayFolders 1

White Menu Bar
Makes the menu bar at the top of the screen white. Uses sudo. sudo defaults write /System/Library/LaunchDaemons/com.apple.WindowServer 'EnvironmentVariables' -dict 'CI_NO_BACKGROUND_IMAGE' 1