From LQWiki

Kernel Commands

Note, some of the following commands refer to kernel modules, which are dynamically loadable objects that the kernel uses for a variety of tasks, such as hardware drivers.

• depmod - Create a module dependency list.
• insmod - Install a module.
• modinfo - Display information about a module.
• kerneld - Run kernel program in user space.
• ksyms - Display kernel symbols.
• lsmod - List installed modules.
• modprobe - Load or list loadable modules.
• rmmod - Remove specified module.
• sysctl - Configure kernel parameters at runtime.
• uname - Display system information.