$ ls -l /boot/initrd.img-3.13.0-6* -rw-r--r-- 1 root root 20363559 Oct 23 11:48 /boot/initrd.img-3.13.0-66-generic -rw-r--r-- 1 root root 20361580 Nov 5 07:18 /boot/initrd.img-3.13.0-67-generic -rw-r--r-- 1 root root 20362929 Nov 17 18:55 /boot/initrd.img-3.13.0-68-generic -rw-r--r-- 1 root root 6993192 Nov 16 17:45 /boot/initrd.img-3.13.0-69-generic
$ ls -l /boot/initrd. img-3.13. 0-6* img-3.13. 0-66-generic img-3.13. 0-67-generic img-3.13. 0-68-generic img-3.13. 0-69-generic
-rw-r--r-- 1 root root 20363559 Oct 23 11:48 /boot/initrd.
-rw-r--r-- 1 root root 20361580 Nov 5 07:18 /boot/initrd.
-rw-r--r-- 1 root root 20362929 Nov 17 18:55 /boot/initrd.
-rw-r--r-- 1 root root 6993192 Nov 16 17:45 /boot/initrd.