A break may refer to any of the following:
1. The Break key is a keyboard key whose original purpose was to immediately halt execution of a running a program. On modern computers, it has no default function. It is not commonly used, although any software may use it for its own purpose. The Break key may also be remapped with a program like AutoHotkey.
On modern keyboards, the key is usually labeled with the full word Break, but it may also be abbreviated as Br.
Where is the Break key on the keyboard?
On most keyboards, the Break key is on the right side of the top row of keys. On a typical U.S. keyboard, it is the alternate function of the Pause key. If so, pressing Ctrl+Pause may be required to activate Break.
In the following photo of a computer keyboard, the Pause/Break key highlighted in blue.
Apple computer keyboards may not have a Pause or Break key.
Where is a Break key on PC laptop keyboard?
Laptop keyboards often have unique designs. If you can't find your Break key, check your laptop's user manual.
2. A command line command used within Microsoft operating systems that enable or disables the ability to send breaks. See the break command for further information.
4. Break is also a Linux command. See the Linux break command for more information.