<para>

In order to bootstrap the database system, a freshly initialized

system always contains one predefined login-capable role. This role

is always a <quote>superuser</quote>, andby defaultit will have

is always a <quote>superuser</quote>, and it will have

the same name as the operating system user that initialized the

database cluster, unless another name is specified while

running <command>initdb</command>.

It is common, but not required, to arrange for this role to be named

database cluster with <command>initdb</command> unless a different name

is specified. This role is often named

<literal>postgres</literal>. In order to create more roles you

first have to connect as this initial role.

</para>