/System/Library/PrivateFrameworks/LoginUIKit.framework/Versions/A/Frameworks/LoginUICore.framework/Versions/A/Resources/appleLinen.pngYou can also configure a message to be shown to users. This message, often referred to as an Acceptable Use Policy, can be used as a policy banner that users must accept in order to log into a computer. To set a policy banner, create a file called PolicyBanner.txt, PolicyBanner.rtf, or PolicyBanner.rtfd with the information you want displayed for end users. Save this file to /Library/Security. Then, the contents of the file will be used as a login banner users will be required to click on the Accept button in order to login.
/Library/Security/PolicyBanner.txtYou can also use Profile Manager and Managed Preferences to manage the items from the System Preferences pane and set a message at the LoginWindow as well. These are available under the Login Window section of Profile Manager. Update: Those crazy kids at AFP548 have posted a video on YouTube with additional info on Profile Manager. That video can be found here. Update2: For
krypted August 6th, 2011