Need help to write in C program. Thank you so much

pid fork0 if pid -0 parent process execution else if pid ( child process execution else error Now, you are required to modify sample program in such a way that when it is run, follo displayed wing ouput is S sample program Inside Parent Process: child id 8 Hello xv6 world Child 8 is done executing You need to execute a command "echo hello xv world" inside child process using execO system call. A p arent proce proceeding further ss should wait for the child process to execute the command and terminate before