Where are the current install instructions?

Where are the current install instructions?

Will someone please provide or point out where current
instructions are located for building and installing
the database?  The instructions at www.postgresql.org
do not discuss the additional tar files
(postgresql-opt-7.3.2.tar.gz,
postgresql-test-7.3.2.tar.gz,
postgresql-base-7.3.2.tar.gz,
postgresql-docs-7.3.2.tar.gz) available for
installation.  The instructions only discuss the
postgresql-7.3.2.tar.gz file.

TIA.


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