This is documented here:
/usr/share/doc/base-passwd/users-and-groups.html
(If ubuntu-docs wants to document this in any way that people are in danger of regarding as official :-), it should link to this rather than duplicating it. base-passwd is Essential so this document is always installed.)
This is documented here:
/usr/ share/doc/ base-passwd/ users-and- groups. html
(If ubuntu-docs wants to document this in any way that people are in danger of regarding as official :-), it should link to this rather than duplicating it. base-passwd is Essential so this document is always installed.)