Sets or clears extended CTRL+C checking. You can use this command at the command prompt or in your CONFIG.SYS file.
You can press CTRL+C to stop a program or an activity (file sorting, for example). Typically, MS-DOS checks for CTRL+C only while it reads from the keyboard or writes to the screen or a printer. If you set BREAK to ON, you extend CTRL+C checking to other functions, such as disk read and write operations.
BREAK=[ON | OFF]
To display the current BREAK setting:
The default setting for BREAK is OFF. You can include the BREAK command in your CONFIG.SYS file to enable extended CTRL+C checking every time you start your system.
This is present for Compatibility with DOS systems. It has no effect after Windows 3.5.
To turn on this extended CTRL+C checking every time you start your system, include the following command in your CONFIG.SYS file: