man lsmod — The lsmod manual page contains usage information and explanation of all options.
man modinfo — The modinfo manual page contains usage information and explanation of all options.
man modprobe — The modprobe manual page contains usage information and explanation of all options.
man rmmod — The rmmod manual page contains usage information and explanation of all options.
man ethtool — The ethtool manual page contains usage information and explanation of all options.
man mii-tool — The mii-tool manual page contains usage information and explanation of all options.
/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