PROGRAM CODE

#include<stdio.h>#include<stdlib.h>#include<time.h>#include<sys/types.h>#include<sys/stat.h>

int main(int argc, char *argv[]){

struct stat sb;if(argc !=2){

fprintf(stderr,"Usage: %s filename \n",argv[0]);exit(EXIT_FAILURE);}

printf("File : %s\n",argv[1]);if(stat(argv[1],&sb)==-1){

perror("stat"); exit(EXIT_FAILURE);}

printf("Permission:\t %o \n",(int)sb.st_mode&0x0fff);printf("Last file access:\t %s\n",ctime(&sb.st_atime));printf("Last file modification:\t %s\n",ctime(&sb.st_mtime));printf("File Size:\t %lld bytes\n",(long long)sb.st_size);

}

EXECUTION STEPS

gcc fileattr.c./a.out fork.c

OUTPUT

File: fork.c

Permission: 664

Last file access: Wed Sep 25 00:19:00 2013

Last file modification: Tue Sep 24 22:47:52 2013

File Size: 491 bytes