How to change username in Ubuntu 22.04

Most simple way to find out your username is probably to press ctr+alt+t - this opens terminal and than you will see something like: user_name@machine_name:~$

Press and hold the Shift key , which will bring up the Grub menu. Select the line which starts with Advanced options .

In the latest 22.04 versions of Ubuntu, the username is the same as the computer name. The password is blank. On ISOs that use the Ubiquity ...

Just type in whoami at the command line. Or if you need it in a script variable, try something like user=$(whoami) (then echo $user or whatever).

It can be changed using hostnamectl set-hostname, or through the /etc/hostname file, or through Ubuntu's Settings app (in the About section, I think).

When a new user is created, the adduser utility creates a brand new home directory named /home/username . The default profile is modelled after the contents ...

Explains how to create a user account on Ubuntu Linux server or desktop using the useradd or adduser command line utility.

User identities are stored in the /etc/passwd file. Many of the “users” in Linux are not people, but system accounts, for daemons (services) ...

You're on tty3, press CTRL+ALT+F1 to return to GUI login. CTRL+ALT+F2 may even work if you're already logged.