Which of the following option with reference to UNIX operating system is not correct?
- INT signal is sent by the terminal driver when one types <Control-C> and it is a request to terminate the current operation
- TERM is a request to terminate execution completely. The receiving process will clean up its state and exit
- QUIT is similat to TERM, except that it defaults to producing a core dump if not caught.
- KILL is a blockable signal