Question.

What are signals and how they can be used for inter-process communication. Take 2 as the value of your digit . Now write a program that uses your own signal handler to protect your program against Ctrl-C first time. Next time, you save the previous value of your handler and use it whenever you receive this signal. Note that you are supposed to protect your program against this signal x times.

Question.

Write a C- program to display your standard hostname and then verify if its correct or not using any conditional statement. System should generate an alarm if its correct and the program exits when you enter Hi-123