_Added in 1.9.6_

*/mdi -actv*

Allows you to arrange/cascade/tile windows in the "MDI area":https://en.wikipedia.org/wiki/Multiple_document_interface.

*Switches*

-a - Arrange windows.
-c - Cascade windows.
-t - Tile windows horizontal.
-v - Tile windows vertical.

*Example*

<pre>
; Cascade windows
/mdi -c
</pre>