![]() ![]() It's not good practice to have numerous people knowing and using the root password because when logged in as root, you can do anything to the system. Using su creates security hazards, is potentially dangerous, and requires more administrative maintenance. To do so, press Ctrl-d or type exit at the command prompt. If you supply a user, you will be logged in as that account until you exit it. In either case, you'll be prompted for the password associated with the account for which you're trying to run the command. ![]() The user feature is optional if you don't provide a user, the su command defaults to the root account, which in Unix is the system administrator account. Replace user with the name of the account which you'd like to run the commands as. To switch users before running many commands, enter: su user Replace user with the name of the account which you'd like to run the command as, and command with the command you need to run as another user. To use the su command on a per-command basis, enter: su user -c command The su command allows you to become another user. ![]() For more information about the sudo command, visit A. The sudo command also makes it easier to practice the principle of least privilege (PoLP), which is a computer security concept that helps control system access and potential system exploits and compromises. Replace command with the command for which you want to use sudo. To use the sudo command, at the command prompt, enter: sudo command It also logs all commands and arguments so there is a record of who used it for what, and when. Using the sudoers file, system administrators can give certain users or groups access to some or all commands without those users having to know the root password. It prompts you for your personal password and confirms your request to execute a command by checking a file, called sudoers, which the system administrator configures. The sudo command allows you to run programs with the security privileges of another user (by default, as the superuser). I would love to get your feedback or help with any questions you may have.The Unix commands sudo and su allow access to other commands as a different user. As usual, let me know if you have any questions or comments. I hope the information I have provided above can help you to run Terminal as the root user. Switching to root user or logging in as root user is easy as long as your user login has administrative permissions. Running Terminal as root Mac can be useful for various reasons and is sometimes necessary when you have multiple tasks to do that need root permissions. But remember that the root user has the power to delete and change almost anything on your system, so it makes it easier to accidentally remove files or change something you don’t want to change. It may sound like a great idea, just always work as the root user, and then you can do anything. Why Do I need to exit after working as root? Why not just work as root all the time? If someone created your login account for you, you may or may not have them. If you are the owner of the computer and did the initial setup of the Mac, then you will have admin permissions. No, you must have administrator privileges on your Mac to switch to or log in as the root user. Can anyone become the root user in Terminal? Sudo is a command that allows you to run other commands as a superuser (or root, in this case). As with the other commands, you will also need to enter your password here. To do this, you must specify that you are switching to the root user, as shown in the command below. Yes, another method of switching to the root user involves using the same command you used to log in as the root user but leaving the – out of the command. Are there other ways to switch to the root user? Below are some frequently asked questions about running Terminal as root. ![]()
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