Man pages matching name bd_pgsql_purge in section 8:

bd_pgsql_purge.8.en	debian 10 / bandwidthd
bd_pgsql_purge.8.en	debian 10 / bandwidthd-pgsql
bd_pgsql_purge.8.en	debian 11 / bandwidthd
bd_pgsql_purge.8.en	debian 11 / bandwidthd-pgsql
bd_pgsql_purge.8.en	debian 12 / bandwidthd
bd_pgsql_purge.8.en	debian 12 / bandwidthd-pgsql