--- a/postgres.rst	Thu Dec 13 10:29:15 2018 +0200
+++ b/postgres.rst	Fri Dec 14 12:01:36 2018 +0200
@@ -67,6 +67,19 @@
 List users::
 
   \du
+  \du+
+
+List misc info::
+
+  select current_database();
+  select current_schema();
+  select current_user;
+  select session_user;
+  select current_date;
+  select version();
+
+https://www.postgresql.org/docs/current/functions-info.html
+  System Information Functions.
 
 Set default schema.
 ===================