Without using sudo, how to save the edited file in the console with root rights?

Question

ubuntu

How else, without using sudo su, can I save the edited sshd_config file to the user in the console with root rights?

Answer 1

Somewhere there was an error, I deleted the server, installed a new one and everything works both under rootom and under a simple user

Answer 2

1. why should the user do this?
2. Give permission to edit
The second is better not to do.

Answer 3

There's no way anyone could hack the server
Boot into rescue mod and fix this file.