Assume that the program listed here after has been complied to run on a GNU/Linux system. Analyze attached program "prg.txt" and trace its execution to answer the following questions. #define RDO #define WR 1 int main() { int pid, pild[2], p2fd[2], n, j= 0; char buf[81); if (pipe (plfd) 0) i++; if (write(p2id[WR], &j sizeof(int))! sizeof(int)) (perror("write error"); exit(1):) close(plfd(RDD); close(p2d[WRD); exit(0); close(pld(RD)); close(pild[WR]); close(p2d[WR]); while (read (p2fd[RD], &j, sizeof(int)) > 0) printf("tot%d ,1); wait(&n); watan); close (p21d[RD]); return 0; Given that the object program is run from a terminal windows ad the user has entered the strings "abc", "xy", "x2" each terminated by an enter" character, then finished the processing by entering the end-of-file (ctrl+d) character. Write all the input and output messages generated during the execution of this program. Assume that the program listed here after has been complied to run on a GNU/Linux system. Analyze attached program "prg.txt" and trace its execution to answer the following questions. #define RDO #define WR 1 int main() { int pid, pild[2], p2fd[2], n, j= 0; char buf[81); if (pipe (plfd) 0) i++; if (write(p2id[WR], &j sizeof(int))! sizeof(int)) (perror("write error"); exit(1):) close(plfd(RDD); close(p2d[WRD); exit(0); close(pld(RD)); close(pild[WR]); close(p2d[WR]); while (read (p2fd[RD], &j, sizeof(int)) > 0) printf("tot%d ,1); wait(&n); watan); close (p21d[RD]); return 0; Given that the object program is run from a terminal windows ad the user has entered the strings "abc", "xy", "x2" each terminated by an enter" character, then finished the processing by entering the end-of-file (ctrl+d) character. Write all the input and output messages generated during the execution of this program