stat

#include<sys/types.h>
#include<sys/stat.h>
#include<time.h>
#include<stdio.h>
#include<stdlib.h>
int main(int argc, char *argv[]) {
struct stat info;
if (argc != 2) {printf("Enter filename\n");
}
if (stat(argv[1], &info) == -1) {
printf("stat erro");
exit(EXIT_FAILURE);
}
printf("I-node number:%ld\n", (long) info.st_ino);
printf("File size:%lld bytes\n",(long long) info.st_size);
printf("Last file access:%s", ctime(&info.st_atime));
printf("Last file modification:%s", ctime(&info.st_mtime));
printf("No of hard links: %d\n",info.st_nlink);
printf("File Permissions: \t");
printf((info.st_mode & S_IRUSR) ? "r" : "-");
printf((info.st_mode & S_IWUSR) ? "w" : "-");
printf((info.st_mode & S_IXUSR) ? "x" : "-");
printf((info.st_mode & S_IRGRP) ? "r" : "-");
printf((info.st_mode & S_IWGRP) ? "w" : "-");
printf((info.st_mode & S_IXGRP) ? "x" : "-");
printf((info.st_mode & S_IROTH) ? "r" : "-");
printf((info.st_mode & S_IWOTH) ? "w" : "-");
printf((info.st_mode & S_IXOTH) ? "x" : "-");

putchar('\n');
}