What Does the Pause/Break Key Do?

The video explains the pause/break key, tracing its origins back to telegraph systems in the 1800s where a break in the circuit signaled the other end to stop transmitting. It then describes how the key persisted on modern keyboards as a way to halt or terminate running programs in text-based environments, and its occasional use by system administrators to interrupt boot sequences when recovering passwords. For home users, the key is presented as a practical tool to pause flowing text during boot messages, view BIOS output, or pause text in a command prompt, although it does not work universally across all PCs. The presenter notes two contemporary uses: pressing Windows key plus Pause to open the system property screen and using the key as a programmable hotkey in various applications, including games and video editing software. The video also touches on related hardware history and explains that although the wordless light on the key may be absent, the function remains useful in certain contexts. Finally, it promotes a TunnelBear VPN sponsorship and invites viewers to explore other Linus TechTips content while keeping the focus on the obscure key’s function and its practical, modern-day applications.

Topics · technology · computing · history · software