As with AutoCAD, Revit 2011 now provides a Recent Commands submenu on right-click:

You can also see here that the Persistent Properties can be turned on and off using the right click menu.
What Revit Wants
As with AutoCAD, Revit 2011 now provides a Recent Commands submenu on right-click:

You can also see here that the Persistent Properties can be turned on and off using the right click menu.