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You can that's not a problem, the problem is you shouldn't. And no, you shouldn't make another user in group root either, that's nearly as bad of an idea as changing root's name. If you want to login with a username, create a user. If you are frustrated because that user cannot do everything root can, realize how secure you are now.
Originally posted by Wynd I read somewhere that having another root user is a good idea, since if you use that user and you see something running as 'root' then you can almost be sure it's a hacking attempt. Any truth to that?
No, because you should very well know exactly what you are doing when you are root to be able to decipher between your task (maybe user management) and something completely different (such as fdisk or sendmail). You can always view who's logged in:
And you can see who you are:
However, if this is a non-production machine, non-networked and you are just "learning" on it, then that's a good way to "learn". Breaking things always teaches you exactly what not to do
I learned the hard way on a Tomsrtbt Linux disk that it was a bad idea to change the root password by editing the files. It knocked the Root completely out and I had to make another disk. I suggest you heed these warnings or you will likely find Linux unuseable to you (IE you will be locked out).