man lsmod — The manual page for the lsmod command.

man modinfo — The manual page for the modinfo command.

man modprobe — The manual page for the modprobe command.

man rmmod — The manual page for the rmmod command.

man ethtool — The manual page for the ethtool command.

man mii-tool — The manual page for the mii-tool command.

/usr/share/doc/kernel-doc-<kernel_version>/Documentation/ — This directory, which is provided by the kernel-doc package, contains information on the kernel, kernel modules, and their respective parameters. Before accessing the kernel documentation, you must run the following command as root:

~]# yum install kernel-doc

Linux Loadable Kernel Module HOWTO — The Linux Loadable Kernel Module HOWTO from the Linux Documentation Project contains further information on working with kernel modules.