Mac Password

Since Mac OS X is Unix-based operating system provides native support for a multi-user is protected. By default, you must define a single user with a password. If you created a single user, your computer will not ask for a password when you restart your computer. However, you can save to your computer with a password, like this:

1. From the Apple MAC menu, select System Preferences... .
2. From the View menu, select Accounts.
3. In Mac OS X 10.6 and 10.5, at the bottom of the left panel, click Login Options. In the right panel next to “Automatic login:”, select Disabled from the pull-down menu. If the Login Options are grayed out, click the padlock icon in the bottom of the preference window and authenticate to your account.In Mac OS X 10.4 and 10.3, at the bottom of the left panel, click Login Options, and in the right panel, uncheck Automatically log in as: . If the Login Options are grayed out, click the padlock icon in the bottom of the preference window and authenticate to your account.

When starting your MAC OS, you will have to authenticate to access account. You may also log out of your computer without restarting. From the Apple menu, select Log out... .

Locking your screen

1. From the Apple menu, select System Preferences... .
2. From the View menu, select Security.
3. In 10.6, check Require password... after sleep or screen saver begins, and choose how long the computer can be asleep or the screen saver on before a password is required.In 10.5 or 10.4, check Require password to wake this computer from sleep or screen saver.

1. From your Applications folder, open your Utilities folder, and then open Keychain Access.
2. From the Keychain Access menu, select Preferences... . Under the General tab, check Show Status in Menu Bar.
3. The padlock icon will appear in your menu bar in the upper right corner of your screen. To lock your screen, click this icon, and from the menu that appears, select Lock Screen.

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