Comment on How to add a new user to Webmin from shell via (bash,sh) by Eric Boucher.
I used your tips to clone a user account via scripting, it really helped me, thanks. In the process, I discovered other important files that you may also modify:
/etc/webmin/config ==> Contains usernames’ real names
/etc/webmin/.acl ==> Global Webmin ACLs for
/etc/webmin/custom/.acl ==> Custom commands for