/boot$ ls
abi-3.2.0-23-generic     config-3.2.0-24-generic  initrd.img-3.2.0-23-generic  memtest86+_multiboot.bin     vmlinuz-3.2.0-23-generic
abi-3.2.0-24-generic     config-3.2.0-25-generic  initrd.img-3.2.0-24-generic  System.map-3.2.0-23-generic  vmlinuz-3.2.0-24-generic
abi-3.2.0-25-generic     config-3.2.0-26-generic  initrd.img-3.2.0-25-generic  System.map-3.2.0-24-generic  vmlinuz-3.2.0-25-generic
abi-3.2.0-26-generic     config-3.2.0-27-generic  initrd.img-3.2.0-26-generic  System.map-3.2.0-25-generic  vmlinuz-3.2.0-26-generic
abi-3.2.0-27-generic     config-3.2.0-29-generic  initrd.img-3.2.0-27-generic  System.map-3.2.0-26-generic  vmlinuz-3.2.0-27-generic
abi-3.2.0-29-generic     config-3.2.0-30-generic  initrd.img-3.2.0-29-generic  System.map-3.2.0-27-generic  vmlinuz-3.2.0-29-generic
abi-3.2.0-30-generic     config-3.2.0-31-generic  initrd.img-3.2.0-30-generic  System.map-3.2.0-29-generic  vmlinuz-3.2.0-30-generic
abi-3.2.0-31-generic     config-3.2.0-32-generic  initrd.img-3.2.0-31-generic  System.map-3.2.0-30-generic  vmlinuz-3.2.0-31-generic
abi-3.2.0-32-generic     config-3.2.0-33-generic  initrd.img-3.2.0-32-generic  System.map-3.2.0-31-generic  vmlinuz-3.2.0-32-generic
abi-3.2.0-33-generic     config-3.2.0-34-generic  initrd.img-3.2.0-33-generic  System.map-3.2.0-32-generic  vmlinuz-3.2.0-33-generic
abi-3.2.0-34-generic     config-3.2.0-35-generic  initrd.img-3.2.0-34-generic  System.map-3.2.0-33-generic  vmlinuz-3.2.0-34-generic
abi-3.2.0-35-generic     config-3.2.0-36-generic  initrd.img-3.2.0-35-generic  System.map-3.2.0-34-generic  vmlinuz-3.2.0-35-generic
abi-3.2.0-36-generic     efi                      lost+found                   System.map-3.2.0-35-generic  vmlinuz-3.2.0-36-generic
config-3.2.0-23-generic  grub                     memtest86+.bin               System.map-3.2.0-36-generic