Dvorak Simplified Keyboard
The Dvorak Simplified Keyboard is a keyboard layout patented in 1936 by Dr. August Dvorak and his brother-in-law, Dr. William Dealey. Over the years several slight variations were designed by the team led by Dvorak or by ANSI. These variations have been collectively or individually also called the Simplified Keyboard or American Simplified Keyboard but they all have come to be commonly known as the Dvorak keyboard or Dvorak layout. Dvorak proponents claim the Dvorak layout uses less finger motion, increases typing rate, and reduces errors compared to the de facto keyboard standard QWERTY. This reduction in finger distance traveled was originally purported to permit faster rates of typing, but in later years is also purported to reduce repetitive-strain injuries, including carpal tunnel syndrome.
Although the Dvorak Simplified Keyboard (“DSK”) has failed to displace the QWERTY keyboard, it has become easier to access in the computer age, being included with all major operating systems (such as Microsoft Windows, Mac OS X, Linux and BSD) in addition to the standard QWERTY layout. Most major operating systems have the option of toggling to the Dvorak layout. It is also supported at the hardware level by some high-end ergonomic keyboards.