The Dvorak layout
The Dvorak keyboard layout enables you to input alphabets with more comfort and efficiancy.
It was disigned by August Dvorak and William Dealay in the 1930's. It has been adopted as the second ANSI standard of English keybord.

Useful links:
 Dvorak International
 Introducing the Dvorak Keyboard
 

How to use the Dvorak keyboard
It is quite easy to use the Dvorak keyboard on B-right/V, the BTRON3 specification-based operating system.
The archive including keymaps can be downloaded at the page 'Tools on Btron' in this site.
 

:The Dvorak arrangement of keyboard on Btron