khronus-rules boot # ls
System.map                       boot                         config.old                vmlinuz-2.6.21-gentoo-r4.old
System.map-2.6.21-gentoo-r4      config                       grub                      vmlinuz-2.6.23-gentoo-r8
System.map-2.6.21-gentoo-r4.old  config-2.6.21-gentoo-r4      kernel-2.6.23-gentoo-r8   vmlinuz-2.6.23-gentoo-r8.old
System.map-2.6.23-gentoo-r8      config-2.6.21-gentoo-r4.old  lost+found                vmlinuz-failsafe
System.map-2.6.23-gentoo-r8.old  config-2.6.23-gentoo-r8      vmlinuz                   vmlinuz.old
System.map.old                   config-2.6.23-gentoo-r8.old  vmlinuz-2.6.21-gentoo-r4