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Sticky keys is an accessibility feature of some graphical user interfaces which assists users who have physical disabilities or helps users reduce repetitive strain injury. It serializes keystrokes; instead of being required to press multiple keys at a time, the user can press and release a modifier key, such as , , , or the , and have it remain active until any other key is pressed. Sticky keys functionality is available on/in
Microsoft Windows Windows is a Product lining, product line of Proprietary software, proprietary graphical user interface, graphical operating systems developed and marketed by Microsoft. It is grouped into families and subfamilies that cater to particular sec ...
,
macOS macOS, previously OS X and originally Mac OS X, is a Unix, Unix-based operating system developed and marketed by Apple Inc., Apple since 2001. It is the current operating system for Apple's Mac (computer), Mac computers. With ...
,
chromeOS ChromeOS, sometimes styled as chromeOS and formerly styled as Chrome OS, is an operating system designed and developed by Google. It is derived from the open-source operating system and uses the Google Chrome web browser as its principal user ...
and
KDE Plasma KDE Plasma is a Shell (computing), graphical shell developed by the KDE community for Unix-like operating systems. It serves as the interface layer between the user and the operating system, providing a graphical user interface (GUI) and workspa ...
as Sticky Keys, and on
Unix Unix (, ; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, a ...
/ X11 systems as part of the ''AccessX'' utility.


History

Sticky Keys was first introduced to System 6 as part of the ''Easy Access'' extension, which also included mouse keys functionality. In 1994, Solaris 2.4 shipped with the ''AccessX'' utility, which also provided sticky keys and mouse keys functionality.


See also

* FilterKeys * Mouse keys * Slow keys


References

Computer accessibility User interface techniques Ergonomics {{Compu-stub