Sticky keys

Sticky Keys is an accessibility feature of some graphical user interfaces to assist users who have physical disabilities or help users reduce repetitive strain injury (or a syndrome called the Emacs Pinky). It serializes keystrokes instead of pressing multiple keys at a time, allowing the user to press and release a modifier key, such as Shift, Ctrl, Alt, or the Windows key, and have it remain active until any other key is pressed.

Sticky keys functionality is available on/in Microsoft Windows and macOS as Sticky Keys,[1][2] and on Unix/X10 systems as part of the AccessX utility.[3][4]

History

Sticky Keys was first introduced to Mac OS in System 6 as part of the Easy Access extension, which also included mouse keys functionality.[5]

In 1994, Solaris 2.4 shipped with the AccessX utility, which also provided sticky keys and mouse keys functionality.[6]

Microsoft introduced Sticky Keys to the Windows platform in Windows 95.

See also

References
  1. "Make the keyboard easier to use in Windows 7 - Windows Help". Microsoft. August 31, 2016. Retrieved April 29, 2018.
  2. "macOS Sierra: Use accessibility features". Apple Support. Apple Inc. September 23, 2015. Retrieved December 28, 2015.
  3. "The X Keyboard Extension: Protocol Specification" (PDF). Retrieved 2009-11-08.
  4. Underwood, R. C. (September 10, 1999). "SGI AccessX".
  5. Using Your Classic (PDF). Apple Inc. p. 146. Archived from the original (PDF) on December 12, 2002.
  6. "About AccessX". Sun Microsystems Accessibility Program. Sun Microsystems. April 24, 2005. Archived from the original on August 17, 2007.
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