Sticky keys

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'Sticky keys' is an accessibility feature of some graphical user interfaces which assists users who have physical disabilities or help users reduce repetitive strain injury. 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, macOS and chromeOS as Sticky Keys,[1][2] and on Unix/X11 systems as part of the AccessX utility.[3][4]


Sticky Keys was first introduced to 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]

See also[edit]


  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.