Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
Write a program called signal.c that performs the functions of the standard UNIX kill command.
Write a program called signal.c that performs the functions of the standard UNIX kill command. We will call our program signal instead of kill so that it is clear we are not calling the built-in or standard kill command included on most systems).
The program should perform as follows:
1. If no command line arguments are provided, it should display the following usage information:
$ ./signalUsage: ./signal [options] <pid