OS X used to feel like a well-crafted system that keeps the sharp pointy bits out of the way so typical end users don't get hurt by them, but they were still easy enough to get at if you knew. This file must not be readable by regular users if password security is to be maintained. Each line of this file contains 9 fields, separated by colons (':'), in the following order: login name It must be a valid account name, which exist on the system.
When you create multiple users in Mac OS X, each person who uses your MacBook — hence the term user — has a separate account (much like an account that you might open at a bank). Mac OS X creates a Home folder for each user and saves that user’s preferences independently from those of other users.
When you log in to Mac OS X, you provide a username and a password, which identifies you. The username/password combination tells Mac OS X which user has logged on — and, therefore, which preferences and Home folder to use.
Each account also carries a specific level, which determines how much control the user has over Mac OS X and the computer itself. Without an account with the proper access level, for example, a user might not be able to display many of the panes in System Preferences.
The three most common account levels are
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- Root: Also called System Administrator, this über-account can change anything within Mac OS X — and that’s usually A Very Bad Thing, so it’s actually disabled as a default. (This alone should tell you that the Root account shouldn’t be toyed with.)For instance, the Root account can seriously screw up the UNIX subsystem within Mac OS X, or a Root user can delete files within the Mac OS X System Folder.Enable the System Administrator account and use it only if told to do so by an Apple technical support technician. (And don’t forget to disable it immediately afterward!)
- Administrator: (Or admin for short.) This is the account level that you’re assigned when you install Mac OS X. The administrator account should not be confused with the System Administrator account!It’s perfectly okay for you or anyone you assign to use an administrator account. An administrator can install applications anywhere on the system, create/edit/delete user accounts, and make changes to all the settings in System Preferences.However, an administrator can’t move or delete items from any other user’s Home folder within the Finder, and administrators are barred from modifying or deleting files in the Mac OS X System Folder. (There are UNIX commands you can use from the Terminal application that can work around these restrictions. However, these locations on your system are off-limits for good reason.)A typical multiuser Mac OS X computer has only one administrator — like a teacher in a classroom — but technically, you can create as many administrator accounts as you like. If you do need to give someone else this access level, assign it only to a competent, experienced user whom you trust.
- Standard: A standard user account is the default in Mac OS X. How to generate a csr for macos high sierra 10 13 6 full download. Standard users can install software and save documents only in their Home folders and the Shared folder (which resides in the Users folder), and they can change only certain settings in System Preferences.Thus, they can do little damage to the system as a whole. For example, each of the students in a classroom should be given a standard-level account for the Mac OS X system that they share.If Parental Controls are applied to a standard account, it becomes a managed account, allowing you to fine-tune what a standard account user can do.
The user account named ”root” is a superuser with read and write privileges to more areas of the system, including files in other macOS user accounts. The root user is disabled by default. If you can log in to your Mac with an administrator account, you can enable the root user, then log in as the root user to complete your task.
The root user account is not intended for routine use. Its privileges allow changes to files that are required by your Mac. To undo such changes, you might need to reinstall your system software. You should disable the root user after completing your task.
It's safer to use the
sudo
command in Terminal instead of enabling the root user. To learn about sudo
, open the Terminal app and enter man sudo
.Enable or disable the root user
- Choose Apple menu () > System Preferences, then click Users & Groups (or Accounts).
- Click , then enter an administrator name and password.
- Click Login Options.
- Click Join (or Edit).
- Click Open Directory Utility.
- Click in the Directory Utility window, then enter an administrator name and password.
- From the menu bar in Directory Utility:
- Choose Edit > Enable Root User, then enter the password that you want to use for the root user.
- Or choose Edit > Disable Root User.
Log in as the root user
When the root user is enabled, you have the privileges of the root user only while logged in as the root user. Create bootable windows 10 usb on mac os mojave.
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- Choose Apple menu > Log Out to log out of your current user account.
- At the login window, log in with the user name ”root” and the password you created for the root user.
If the login window is a list of users, click Other, then log in.
Remember to disable the root user after completing your task.
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Change the root password
- Choose Apple menu () > System Preferences, then click Users & Groups (or Accounts).
- Click , then enter an administrator name and password.
- Click Login Options.
- Click Join (or Edit).
- Click Open Directory Utility.
- Click in the Directory Utility window, then enter an administrator name and password.
- From the menu bar in Directory Utility, choose Edit > Change Root Password…
- Enter a root password when prompted.