.-AUTOSize-.   
>>-+----------+------------------------------------------------><
   '-NOAUTOSz-'   

AUTOSIZE tells IDF to automatically size Disassembly windows, Dump windows, and LSM Information windows when a window is opened or closed. IDF also automatically places all opened windows so that each window's upper border overlays the lower border of the window last opened.

NOAUTOSZ tells IDF to not automatically size Disassembly windows, Dump windows, and LSM Information windows when a window is opened or closed. When a window is opened, IDF places it at the top of the screen.