Letter: K
- kernel-2.4.21-53.EL: The Linux kernel (the core of the Linux operating system)
- kernel-BOOT-2.4.21-53.EL: The version of the Linux kernel used on installation boot disks.
- kernel-doc-2.4.21-53.EL: Various documentation bits found in the kernel source.
- kernel-hugemem-2.4.21-53.EL: The Linux Kernel for machines with more than 16 Gigabytes of memory.
- kernel-hugemem-unsupported-2.4.21-53.EL: An extra, unsupported, set of kernel modules
- kernel-module-openafs-2.4.21-53.EL-1.2.13-15.17.SL: OpenAFS Kernel Module (compiled for UP)
- kernel-module-openafs-2.4.21-53.ELsmp-1.2.13-15.17.SL: OpenAFS Kernel Module (compiled for SMP)
- kernel-smp-2.4.21-53.EL: The Linux kernel compiled for SMP machines.
- kernel-smp-unsupported-2.4.21-53.EL: An extra, unsupported, set of kernel modules
- kernel-source-2.4.21-53.EL: The source code for the Linux kernel.
- kernel-unsupported-2.4.21-53.EL: An extra, unsupported, set of kernel modules