userdel

Remove a user account or remove a user from a group. Note: all commands must be executed as root. More information: https://manned.org/userdel.

Remove a user:

userdel {{name}}

Remove a user along with their home directory and mail spool:

userdel --remove {{name}}

Remove a user from a group:

userdel {{name}} {{group}}

Remove a user in other root directory:

userdel --root {{path/to/other/root}} {{name}}