Scroll lock is a keyboard button (often with an associated status light) on most modernYou must be registered for see links. The key is not frequently used and therefore some keyboards lack Scroll Lock altogether.You must be registered for see links
The Scroll Lock key was meant to lock all scrolling techniques, and is a remnant from the originalYou must be registered for see links, though it is not used by most modern-day software. In the original design, Scroll Lock was intended to modify the behavior of theYou must be registered for see links. When the Scroll Lock mode was on, the arrow keys wouldYou must be registered for see linksthe contents of a text window instead of moving theYou must be registered for see links. In this usage, Scroll Lock is a togglingYou must be registered for see linkslikeYou must be registered for see linksorYou must be registered for see links, which have a state that persists after the key is released.
Today, this particular use of Scroll Lock is rare. Only a few modern programs still honor this behavior, such asYou must be registered for see links,You must be registered for see links,You must be registered for see links,You must be registered for see linksandYou must be registered for see links. MostYou must be registered for see linksenvironments neglect scroll lock, which means scrolling must be accomplished with aYou must be registered for see links, using means such asYou must be registered for see linksorYou must be registered for see links. Therefore, the Scroll Lock key is little used in almost all current programs and operating systems.