UGC-NET | UGC NET CS 2016 July – III | Question 52

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


Answer: (D)

Explanation: In UNIX operating system:

• INT signal is sent by the terminal driver when one types and it is a request to terminate the current operation.Correct
• TERM is a request to terminate execution completely. The receiving process will clean up its state and exit.Correct
• QUIT is similar to TERM, except that it defaults to producing a core dump if not caught.Correct
• kILL is not a blockable signal.

So, option (D) is correct.

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