These are commands and tips from a couple of years ago. Please make sure to do your own research to see if they're still valid and working as intended.
defaults write com.apple.TimeMachine _DisableThrottling -bool TRUE
defaults write com.apple.TimeMachine IncludeSystemFiles -bool TRUE
defaults write com.apple.finder QuitMenuItem -int 1
Items that need to be categorized later on
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool TRUE
defaults write com.apple.desktopservices DSDontWriteUSBStores -bool TRUE
defaults write com.apple.finder AppleShowAllFiles -int 1
defaults write com.apple.finder IncludeDebugMenu -bool TRUE
defaults write com.apple.systempreferences IncludeDebugMenu -bool TRUE
defaults write com.apple.Safari IncludeInternalDebugMenu -bool TRUE
defaults write com.apple.notificationcenterui debugMenu -bool TRUE