Question

2 When we are implementing the following program, then we press "CTRL+C" on the keyboard; that will cause: #include <stdio.h> #include<signal.h> #include <stdlib.h> #include<unistd.h> void handle_sigint (int sig) { } printf("Caught signal $d\n", sig); int main(int argc, char *argv[]) { signal (SIGCONT, handle_sigint); while (1) { printf("the process id is $d \n",getpid()); sleep (1); } return 0; } O print the sentence" Caught signal 2" on the terminal 53,65,67,37,14,98,122,124,183 O Do nothing

operating system programming
i need ans and explen after 20 min

Answer 1

Here is the solution to above problem . Please give a thumbs up!!!

1) prints caught signal 2 on the terminal is the correct answer

when we press ctrl+c in middle of program it will trigger a signal event with id 2 which will print Caught signal 2 using handle signal function

2) malloc() is correct answer

malloc() enables dynamic memory allocation in C language

3) Chmod share 741 is correct answer

gives the user read,write and execute premissions to a user