All but one of the links at the end of
<https://www.postgresql.org/docs/11/static/installation-platform-notes.html#INSTALLATION-NOTES-AIX>
redirect to some generic documentation home page. Anyone care enough to
find updated locations?
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Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services