The Select All command, as its name implies, selects all entities and is subject to the current selection mask and the show/hide status of the
entities. For example, if the selection mask is set to only allow selection of domains, Select All will pick all domains that are currently not
Tip: The Select All command can be accessed in multiple ways. You can use the context menus,
the Select, Select All menu command, or
the Ctrl+A accelerator.