Where is sudoers file in ubuntu

Default /etc/sudoers file (Checked on on Ubuntu and Ubuntu ) - sudoers. This file MUST be edited with the 'visudo' command as root. The default location for the sudoers configuration file is /etc/sudoers, and in general, this is the file to import from each computer. However, there are some. sudo - will not ask for your user password but for you root password. Do not edit /etc/sudoers manually use visudo for that. Typical ubuntu systems have no root.