How to change the Mac OS X Login Screen's welcome message

06 Aug 2009

The Mac OS X Login Screen displays no welcome message by default, but you can add a message such as your company name by using the commands below.

To change the Login Window message, open a new Terminal window and enter this command:

sudo defaults write /Library/Preferences/com.apple.loginwindow
  LoginwindowText "www.geekology.co.za"

To revert the change, open a new Terminal window and enter this command:

sudo defaults write /Library/Preferences/com.apple.loginwindow
  LoginwindowText ""
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