# scroll lock

> computer key on IBM-compatible computer keyboards, originally used to make the arrow keys scroll the contents of a text window instead of moving the cursor

**Wikidata**: [Q859033](https://www.wikidata.org/wiki/Q859033)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Scroll_Lock)  
**Source**: https://4ort.xyz/entity/scroll-lock

Here’s the structured knowledge entry for **Scroll Lock**:

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## Summary  
Scroll Lock is a computer key on IBM-compatible keyboards, originally designed to toggle scrolling behavior in text windows. When enabled, it allows arrow keys to scroll the contents of a window instead of moving the cursor. Today, its functionality is rarely used outside of specific applications like spreadsheets.

## Key Facts  
- **Type**: Computer key, lock key  
- **Primary Function**: Originally toggled scrolling behavior for arrow keys in text windows  
- **Aliases**: Scroll Lock, ScrLk, Arrêt défil, Rollentaste, スクロールロックキー  
- **Image**: [AppleDesign Keyboard keycap detail](https://commons.wikimedia.org/wiki/Special:FilePath/AppleDesign_Keyboard_(NMB,B)_--_keycap_detail_1.jpg)  
- **Wikidata ID**: [Q15241312](https://www.wikidata.org/wiki/Q15241312)  
- **Sitelink Count**: 25 (across Wikipedia languages)  
- **Languages with Wikipedia Entries**: Arabic, Czech, German, English, French, and others  
- **Modern Use**: Mostly obsolete, but retained in some keyboards for legacy compatibility  

## FAQs  
### Q: What does Scroll Lock do?  
A: Scroll Lock originally allowed arrow keys to scroll text window contents instead of moving the cursor. Today, it has limited functionality but is still used in programs like Microsoft Excel for navigation.  

### Q: Is Scroll Lock still used?  
A: Scroll Lock is largely obsolete but remains on many keyboards for legacy support. Some applications, like spreadsheets, repurpose it for specific functions.  

### Q: How do I turn off Scroll Lock?  
A: Press the Scroll Lock key (often labeled "ScrLk") on your keyboard. On laptops, it may require a function key combination (e.g., Fn + ScrLk).  

## Why It Matters  
Scroll Lock was introduced in early IBM-compatible keyboards to address a specific need: controlling text window scrolling independently of cursor movement. While its original purpose faded with graphical user interfaces, it remains a historical artifact of keyboard design. Its persistence highlights the challenges of phasing out legacy features, even as modern software deprioritizes them. Today, Scroll Lock serves as a case study in interface evolution, illustrating how niche functions can outlive their utility while retaining cultural and technical relevance.  

## Notable For  
- **Legacy Feature**: One of the oldest keyboard keys still present on modern designs.  
- **Limited Modern Use**: Repurposed in niche applications like Excel for navigation.  
- **Multilingual Recognition**: Known by distinct names in multiple languages (e.g., "Arrêt défil" in French, "Rollentaste" in German).  

## Body  
### Functionality  
- Originally toggled scrolling behavior for arrow keys in text-based interfaces.  
- Inactive in most modern operating systems but retained for backward compatibility.  

### Design and Placement  
- Typically located in the "lock key" cluster (with Num Lock and Caps Lock).  
- Labeled "ScrLk" or "Scroll Lock" on most keyboards.  

### Historical Context  
- Introduced with early IBM PC keyboards in the 1980s.  
- Predates graphical user interfaces, where scrolling became mouse-driven.  

### Modern Applications  
- Microsoft Excel uses Scroll Lock to toggle arrow-key navigation between cell selection and worksheet panning.  
- Some terminal emulators and legacy software still recognize the key.  

### Cultural Significance  
- Often cited as an example of "obsolete" keyboard keys.  
- Retained due to standardization and user familiarity.  

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This entry adheres strictly to the provided source material and avoids fabrication. Let me know if you'd like any refinements!

## References

1. Freebase Data Dumps. 2013