--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/source/appmanage.rst	Fri Apr 27 14:44:33 2018 +0200
@@ -0,0 +1,53 @@
+.. _appmanage:
+
+.. _site:
+
+
+PyAMS admin site
+================
+
+PyAMS admin site (called also **ZMI**, in memory of old **\Z**\ope **\M**\anagement **\I**\nterface) is based on the ZODB.
+
+When the PyAMS is initialized, it create and register several utilities into the *local registry* and saved into ZODB.
+These utilities are created with default values which can be modified through **management interface** when
+the application is started.
+
+
+Local registry utilities
+''''''''''''''''''''''''
+
+One of PyAMS pre-requisites is to use the ZODB, at least to store the site root application,
+it's configuration and a set of local utilities.
+
+Some important utilities include:
+
+- a **catalog**: the catalog has the responsibility to index every content properties which are required to make quick
+  and efficient searches. Catalog indexes are automatically created on database upgrade; management interface
+  allows administrator to get indexes properties, to get the number of indexed objects and values for a given index, and
+  to delete an index before recreating it by running the database upgrade script another time (see :ref:`scripts`).
+
+- an **internal IDs** utility:
+
+- a **language negotiator**:
+
+- a **portal templates** container:
+
+- a **security manager**:
+
+- a **sequential IDs** utility:
+
+- a **server timezone** utility:
+
+- a **user profiles** container:
+
+
+Optional utilities can also include:
+
+- an **Elasticsearch content indexer**:
+
+- a **maps manager**:
+
+- a **medias converter**:
+
+- a **tasks scheduler**:
+