ed@clevolinux:~$ sudo update-grub
[sudo] password for ed:
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.13.0-65-generic
Found initrd image: /boot/initrd.img-3.13.0-65-generic
Found linux image: /boot/vmlinuz-3.13.0-63-generic
Found initrd image: /boot/initrd.img-3.13.0-63-generic
Found linux image: /boot/vmlinuz-3.13.0-62-generic
Found initrd image: /boot/initrd.img-3.13.0-62-generic
Found linux image: /boot/vmlinuz-3.13.0-61-generic
Found initrd image: /boot/initrd.img-3.13.0-61-generic
Found linux image: /boot/vmlinuz-3.13.0-59-generic
Found initrd image: /boot/initrd.img-3.13.0-59-generic
Found linux image: /boot/vmlinuz-3.13.0-58-generic
Found initrd image: /boot/initrd.img-3.13.0-58-generic
Found linux image: /boot/vmlinuz-3.13.0-57-generic
Found initrd image: /boot/initrd.img-3.13.0-57-generic
Found linux image: /boot/vmlinuz-3.13.0-55-generic
Found initrd image: /boot/initrd.img-3.13.0-55-generic
Found linux image: /boot/vmlinuz-3.13.0-54-generic
Found initrd image: /boot/initrd.img-3.13.0-54-generic
Found linux image: /boot/vmlinuz-3.13.0-53-generic
Found initrd image: /boot/initrd.img-3.13.0-53-generic
Found linux image: /boot/vmlinuz-3.13.0-52-generic
Found initrd image: /boot/initrd.img-3.13.0-52-generic
Found linux image: /boot/vmlinuz-3.13.0-51-generic
Found initrd image: /boot/initrd.img-3.13.0-51-generic
Found linux image: /boot/vmlinuz-3.13.0-49-generic
Found initrd image: /boot/initrd.img-3.13.0-49-generic
Found linux image: /boot/vmlinuz-3.13.0-48-generic
Found initrd image: /boot/initrd.img-3.13.0-48-generic
Found linux image: /boot/vmlinuz-3.13.0-46-generic
Found initrd image: /boot/initrd.img-3.13.0-46-generic
Found linux image: /boot/vmlinuz-3.13.0-43-generic
Found initrd image: /boot/initrd.img-3.13.0-43-generic
Found linux image: /boot/vmlinuz-3.2.0-70-generic
Found initrd image: /boot/initrd.img-3.2.0-70-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
Found Windows 7 (loader) on /dev/sda1
done