# Astor Main Window

Intended audience: administrators, developers, users

> - On the main window, the control system is displayed as a tree.

> - Where the root is TANGO, the branch are hosts family and leaf are hosts.

> - The Astor main window is able to give a global status of the control system.

> - The tree is collapsed, but the node icon display the status of the hosts under.

> - An individual control on a host could be done by a click on a host.

> - A popup menu will be displayed with a right click on a host.