Letter: K
- kernel-2.6.18-53.1.4.el5: The Linux kernel (the core of the Linux operating system)
- kernel-devel-2.6.18-53.1.4.el5: Development package for building kernel modules to match the kernel.
- kernel-headers-2.6.18-53.1.4.el5: Header files for the Linux kernel for use by glibc
- kmod-r8169-6.004.00-1.2.6.18_53.1.4.el5: r8169 kernel module(s)