ii  linux-headers-2.6.24-16                    2.6.24-16.30                  Header files related to Linux kernel version
ii  linux-headers-2.6.24-16-generic            2.6.24-16.30                  Linux kernel headers for version 2.6.24 on x
ii  linux-headers-generic                      2.6.24.16.18                  Generic Linux kernel headers