$ whoami
out put:
root
$ sudo passwd root
out put:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfullyTag: ubuntu22
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How to Change Root Password in Ubuntu 20.04 -Terminal
IT Service Corporation
$ whoami
out put:
root
$ sudo passwd root
out put:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully