doug@kubuntu:~$ ls -l /boot
total 162400
-rw-r--r-- 1 root root  1005798 Oct  9 11:49 abi-3.11.0-12-generic
-rw-r--r-- 1 root root  1006439 Oct 23 03:10 abi-3.11.0-13-generic
-rw-r--r-- 1 root root  1006439 Nov 12 11:33 abi-3.11.0-14-generic
-rw-r--r-- 1 root root  1006496 Dec  9 12:45 abi-3.11.0-15-generic
-rw-r--r-- 1 root root   163251 Oct  9 11:49 config-3.11.0-12-generic
-rw-r--r-- 1 root root   163255 Oct 23 03:10 config-3.11.0-13-generic
-rw-r--r-- 1 root root   163255 Nov 12 11:33 config-3.11.0-14-generic
-rw-r--r-- 1 root root   163245 Dec  9 12:45 config-3.11.0-15-generic
drwxr-xr-x 4 root root     4096 Dec 31  1969 efi
drwxr-xr-x 5 root root     4096 Jan  6 18:04 grub
-rw-r--r-- 1 root root 24857806 Nov  9 11:35 initrd.img-3.11.0-12-generic
-rw-r--r-- 1 root root 26065575 Dec  3 11:33 initrd.img-3.11.0-13-generic
-rw-r--r-- 1 root root 26065764 Dec 20 09:00 initrd.img-3.11.0-14-generic
-rw-r--r-- 1 root root 26197981 Jan  6 17:53 initrd.img-3.11.0-15-generic
-rw-r--r-- 1 root root   176500 Jun 17  2013 memtest86+.bin
-rw-r--r-- 1 root root   178680 Jun 17  2013 memtest86+_multiboot.bin
-rw------- 1 root root  3285893 Oct  9 11:49 System.map-3.11.0-12-generic
-rw------- 1 root root  3286187 Oct 23 03:10 System.map-3.11.0-13-generic
-rw------- 1 root root  3286278 Nov 12 11:33 System.map-3.11.0-14-generic
-rw------- 1 root root  3293845 Dec  9 12:45 System.map-3.11.0-15-generic
-rw-r--r-- 1 root root  5600032 Oct 29 19:07 vmlinuz-3.11.0-12-generic
-rw-r--r-- 1 root root  5601944 Oct 16 14:59 vmlinuz-3.11.0-12-generic.efi.signed
-rw------- 1 root root  5600496 Oct 23 03:10 vmlinuz-3.11.0-13-generic
-rw------- 1 root root  5602424 Nov  8 13:22 vmlinuz-3.11.0-13-generic.efi.signed
-rw------- 1 root root  5601072 Nov 12 11:33 vmlinuz-3.11.0-14-generic
-rw------- 1 root root  5603000 Dec  3 11:07 vmlinuz-3.11.0-14-generic.efi.signed
-rw------- 1 root root  5631184 Dec  9 12:45 vmlinuz-3.11.0-15-generic
-rw------- 1 root root  5633112 Jan  3 10:13 vmlinuz-3.11.0-15-generic.efi.signed