Wednesday, June 10, 2009

Hide accounts in the Login Window

If you find yourself with an overly long list of users in the login window or you just want to get rid of that annoying scroll bar down the side, you can stop accounts appearing in the login window.

Start by go to the Accounts pane in System Preferences, and find the "short name" of each user you want to hide. Once you have these, open up Terminal and enter the following:

sudo defaults write /Library/Preferences/com.apple.loginwindow HiddenUsersList -array-add shortname1 shortname2 shortname3

Replace shortname1 2 and 3 with the short names of the user accounts you wish to hide. You can hide as many as you like, just separate each with a space.

To make a hidden name appear again, type the command with no names in it, therefore resetting the list of hidden users.

sudo defaults write /Library/Preferences/com.apple.loginwindow HiddenUsersList -array-add

Notice that doing this adds an extra option to your login window - "Other..." When you select this, you will be presented with text boxes to enter a username and password.

If you aren't running OS X 10.4, this doesn't work. Another option is to replace the list of users with username and password text boxes. Go to the Accounts pane in System Preferences and click on Login Options. There you will find an option to display the login window as name and password fields. This isn't as pretty, but saves time if you have lots of users, and is also more secure.

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