Change Preference/Settings in Mac using the terminal

os_settings.sh

# always show tabs in terminal
defaults write com.Apple.Terminal ShowTabBar 1

# enable quick look of folders
defaults write com.apple.finder QLEnableXRayFolders -boolean YES

# allow quitting finder via ⌘ + Q; doing so will also hide desktop icons
defaults write com.apple.finder QuitMenuItem -bool YES; killall Finder

# show hidden files
defaults write com.apple.finder AppleShowAllFiles TRUE; killall Finder

# show all filename extensions
defaults write NSGlobalDomain AppleShowAllExtensions -bool true

# show status bar
defaults write com.apple.finder ShowStatusBar -bool true

# show path bar
defaults write com.apple.finder ShowPathbar -bool true

# allow text selection in Quick Look
defaults write com.apple.finder QLEnableTextSelection -bool true

# Display full POSIX path as Finder window title
defaults write com.apple.finder _FXShowPosixPathInTitle -bool true

# When performing a search, search the current folder by default
defaults write com.apple.finder FXDefaultSearchScope -string "SCcf"

# Disable the warning when changing a file extension
defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false

# show a list of your recently used applications
defaults write com.apple.dock persistent-others -array-add '{ "tile-data" = { "list-type" = 1; }; "tile-type" = "recents-tile"; }'; killall Dock

# put your name in the login window
sudo defaults write /Library/Preferences/com.apple.loginwindow LoginwindowText "'Property of YOUR NAME <YOU@YOUR DOMAIN>'"

# Menu bar: show remaining battery time & percentage
defaults write com.apple.menuextra.battery ShowPercent -string "NO"
defaults write com.apple.menuextra.battery ShowTime -string "YES"

# Avoid creating .DS_Store files on network volumes
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true

# always show status bar in safari
defaults write com.apple.Safari ShowStatusBar -bool true

# add google chrome to dock
defaults write com.apple.dock persistent-apps -array-add '<dict><key>tile-data</key><dict><key>file-data</key><dict><key>_CFURLString</key><string>/Applications/Google Chrome.app</string><key>_CFURLStringType</key><integer>0</integer></dict></dict></dict>'

# Add a spacer to the left side of the Dock (where the applications are)
defaults write com.apple.dock persistent-apps -array-add ‘{tile-data={}; tile-type=“spacer-tile”;}’

# Add a spacer to the right side of the Dock (where the Trash is)
defaults write com.apple.dock persistent-others -array-add ‘{tile-data={}; tile-type=“spacer-tile”;}’