1. A computer keyboard key usually located on the same key as the pause key that enables a user to break the computer from a pause or other halt state. To use the break either press the break key alone or press CTRL at the same time as the break key. For example, press the pause key to stop the computer as it boots, pressing it again, to break out of that pause. The picture is an example of the pause break key on a PC computer. This key is not found on the Apple computer keyboards.
2. A command line command on Microsoft operating systems that enable or disables the ability to send breaks. See the break command page for further information on this command.
3. Break is also a Linux command. See the Linux break command page for more information on this command.