Ctrl+G Aborts the current command. Ctrl+G can either be used to abandon a command which has been partially typed in, or to abort the command which is currently running.
Note that, unlike most of the keys described in this manual, this cannot be changed via editor:bind-key . Instead, use editor:set-interrupt-keys if you wish to change this.
Meta+Ctrl+C Breaks the current process. Note that you cannot use the Escape key in place of the Meta key. As there are so many different types of keyboard, if it is not possible to assert which is the Meta key on your keyboard, it may be marked with a special character, such as a diamond, or it may be one of the function keys -- try F11 .
Note that the Process Browser, documented in the Common LispWorks User Guide can be used to break any specified process.