How to switch root user in CentOS

How to switch the root user in CentOS

1. Open the terminal. The prompt is "$", indicating that the user is an ordinary user. At this time , directly enter su, press Enter, enter the root password, press Enter, you can switch to the root user, and the prompt will change to "#".

Note that the terminal is not displayed when entering the password, and this process must be completed every time you switch to the root user.

2. To switch back to a normal user, just enter "su username" and it will be OK. You can also directly enter exit or press ctrl d to exit the current account.

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