How To Change Login Screen Background Via Terminal
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Sick and tired of the same old bluish background of the Mac OS X login screen? I have now found out a way to change it out. Simply modify/replace the following files:
/System/Library/CoreServices/DefaultDesktop (Leopard users)
.jpg
/Library/Preferences/com.apple.loginwindow (Tiger users: modify this file)
Once this has been done, open a Terminal window and execute this line at the command prompt:
sudo defaults write (all on one line)
/Library/Preferences/com.apple.loginwindow
DesktopPicture '/Path/To/Picture.jpg'
Once this has been done, log out of your account. When you log out, you should instantly see the changes that you have made.
