How Do I Check If a User Has Root Access in Unix?

If you are able to use sudo to run any command (for example passwd to change the root password), you definitely have root access. A UID of 0 (zero) means “root”, always. Your boss would be happy to have a list of the users listed in the /etc/sudores file.

How do I know if I have root access?

Use the Root Checker App

1. Go to Play Store.
2. Tap on the search bar.
3. Type “root checker.”
4. Tap on the simple result (free) or the root checker pro if you want to pay for the app.
5. Tap install and then accept to download and install the app.
6. Go to Settings.
7. Select Apps.
8. Locate and open Root Checker.

How do I know if a user has sudo access?

To know whether a particular user is having sudo access or not, we can use -l and -U options together. For example, If the user has sudo access, it will print the level of sudo access for that particular user. If the user don’t have sudo access, it will print that user is not allowed to run sudo on localhost.