--- a/postgre.rst	Fri Mar 13 19:26:50 2015 +0200
+++ b/postgre.rst	Mon Mar 23 10:53:06 2015 +0200
@@ -36,3 +36,17 @@
   => select nspname from pg_catalog.pg_namespace;
   => \dn *
 
+Using psql client.
+==================
+
+Using password file ``~/.pgpass``::
+
+  # comment
+  hostname:port:database:username:password
+  hostname:port:*:username:password
+  hostname:*:*:username:password
+
+Connect by::
+
+  $ psql -U $USER -h $HOST  $SCHEMA
+