Ubuntu know username

whoami
or
echo $USER

Change username ubuntu

# -l changes login name
# -d changes home directory
# -m copies over contents from old home directory
usermod -l <newname> -d /home/<newname> -m <oldname>

# NOTE: will not work if you are currently logged on as user
# - workaround by temporarily enabling root account and running above command there
# [sudo passwd root] 
# - after root account has been used to change username lock it using
# [sudo passwd -l root]

Source: hepeng.me

Ubuntu know username

echo $USER

Source: askubuntu.com

Similar codes

134 votes205 views6 answers
React and bootstrap
Shell/Bash
0 vote127 views1 answer
Habe to install viber on linux
Shell/Bash
124 votes152 views6 answers
How to install docker ubuntu
Shell/Bash
0 vote133 views2 answers
Terminate gitpod ports
Shell/Bash
0 vote161 views1 answer
Get library list linux
Shell/Bash
2 votes133 views2 answers
Chromium on linux
Shell/Bash
21 votes130 views6 answers
Material ui install
Shell/Bash
1 vote128 views1 answer
Install sshuttle ubuntu
Shell/Bash
0 vote142 views1 answer
Kill process in windows using port number
Shell/Bash
50 votes126 views1 answer
Ubuntu cat release
Shell/Bash