The key allocation of the window operation (for instance,
minimization with Alt+F9) in a standard GUI environment in OS/2 is
enhanced, and it usually keeps effective for the window where those
operations are not accepted, the frame window is made roll
improvement/to be downed by the action of the click of the title bar
etc. , and Hitoshi and key/mouse operation is enhanced.
* System menu processing
An unnecessary item can be deleted from the system menu of each window, and the menu text be customized.
* REXX macro
various events in PM . . . Key/mouse button input and minimum in
the window/maximization etc. : . . . The REXX script is executed as
trigger.
-> URL: http://www.vector.co.jp/download/file/os2/util/fh491971.html
Source: OS2.org