Please write a full answer and explain it well

10%) Consider the /boot sample directory listing below from a Linux system that we discussed during the class on file systems. Answer briefly: (a) what does the "d" in the leftmost column indicate? (0.5%) (b) what does the "I" in the leftmost column indicate? (0.5%) (c) Why has the entry "System.map" a file size which is 3 bytes longer than the entry 10. ( "vmlinuz"? (1%) (d) what is the entry"." about? (1%) (e) what is the entry".." about? (196) (f) where do the two hard links to the entry "grub" come from? (2%) (g) Where do the three hard links to the entry " ." come from? (3%) (h) What does the file "initrd.gz" contain? (Hint: it is contained in the /boot direc tory) (1%) 4096 Nov 21 16:05 4096 Nov 13 10:10.. drwxr-xr-x 3 root root drwxr-xr-x 24 root root 1rwxrwxrwx1 root root -rw-r--r-- 1 root root 591812 Nov 21 16:05 System.map-2.4.22 drwxr-xr-x 2 root root -rw-r--r-- 1 root root 147086 Jun 12 2003 initrd.gz 1rwxrwxrwx1 root root -rw-r--r-- 1 root root 1220912 Nov 21 16:05 vmlinuz-2.4.22 21 Sep 8 18:09 System.map 4096 Nov 21 16:46 grub 18 Nov 21 16:05 vmlinuz