Sets or clears extended CTRL+C checking on MS-DOS systems. If used without parameters, break displays the current setting.
This command is no longer in use. It is included only to preserve compatibility with existing MS-DOS files, but it has no effect at the command line because the functionality is automatic.
If command extensions are enabled and running on the Windows platform, inserting the break command into a batch file enters a hard-coded breakpoint if being debugged by a debugger.