Sudo in Mac Terminal: What It Is & How to Run It

If you need to run as the root user in Terminal on Mac to do some system-related changes or fixes that need the root privilege, you need to use the sudo command. If you are not familiar with sudo in Mac Terminal, follow this article.

What is sudo in Mac Terminal?

Sudo is short for superuser do. It allows the permitted user (the administrator user) to run commands in the Mac Terminal as a superuser or another user with extra security privileges. For example, run the cd command in Mac Terminal to open directories (also called folders).

For security reasons, the operating system of every device separates the normal user (or we say the user who is currently logged in) from the root. When you perform tasks that require to access the hidden and deep areas of the system, you will be asked to run as the root user. But it is not safe to enable the root user on Mac. So, running the sudo command in the Terminal is the best alternative.

You can get more information about sudo in Terminal. Simply open Terminal and then type in man sudo and then hit Return. Then, you'll get a detailed explanation about sudo.

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How do you run Terminal in sudo mode?

By default, the root user mode is disabled on Mac. And it is not advisable to enable it for security reasons. If you need to fix some issues or make some changes on Mac that require the root user privileges, you can run commands as an administrator in the Mac Terminal. In other words, that is to run Terminal in sudo mode.

To enter sudo mode in the Terminal, you need to run the fixed command with "sudo". For example, if you need to turn off your Mac, type in the shutdown command line with sudo, just as below sudo shutdown

Note that only the administrator of the Mac can run the sudo command in Terminal. If you are not the sharing user of the Mac, the sudo command won't work.

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Mac sudo password not working, what to do?

You may prepare to run a sudo command in Mac Terminal but get the error message "Sorry, try again" after you enter the password, or you even can't type a password in the Terminal. Running the sudo command in Terminal requires you to log into your Mac with the administrator account. Or, sudo is invalid.

If you are sure that you type in the right admin password, you can try the following troubleshooting ways to fix the sudo password that's not working on Mac.