root@ubuntu:/etc/grub.d# ls -l /boot
total 538
drwxr-xr-x 5 root root   1024 Jul  5 13:03 grub
drwx------ 2 root root  12288 Feb 26 16:00 lost+found
-rw-r--r-- 1 root root 176500 Mar 12  2014 memtest86+.bin
-rw-r--r-- 1 root root 178176 Mar 12  2014 memtest86+.elf
-rw-r--r-- 1 root root 178680 Mar 12  2014 memtest86+_multiboot.bin