Change root name in ubuntu

Question

how're you doing? I am somewhat new to ubuntu and finding problem changing the root user name. My terminal displays priyank@Alex right now. I changed the second name to Alex using hostname and hosts. What I want is to make it Alex@Alex. Can anyone temme how can I do it?

Solution

just two steps:

1.edit the /etc/passwd file ,replace priyank to Alex ,then save

2.edit the /etc/shadow file ,replace priyank to Alex,then save

reboot and enjoy it

Comments

[KGIII]

This is a duplicate, the system should automatically include that in a reply. It's a little complicated but not too bad. Follow the example in the highest rated answer and if you have trouble with that then ask a specific question and we'll help you out from there.