modifying users on 2 or 3 servers

[Michael S. <sm...@mh...>]

How can I Webmin add,delete or modify users
on 2 or 3 servers(Freebsd 4.2, Solaris 2.7 and 2.5) synchronously?
All user info (name.passwords etc) is similar.
I'd not like to use something like NIS - it is too complex.