service
/etc/init.d/postgresql-9.6
config
/var/lib/pgsql/9.6/data/postgresql.conf
/var/lib/pgsql/9.6/data/postgresql.auto.conf
lib
/usr/pgsql-9.6/lib
/usr/pgsql-9.6/share/extension
log
/var/log/postgresql
command
/usr/bin/
/usr/pgsql-9.6/bin
data
/var/lib/postgresql/9.1/main
other
socket /var/run/postgresql
/etc/alternatives/
/var/lib/alternatives/