Modules are small kernel extensions ,that may be loaded and unloaded at will
● Can implement drivers, filesystems, firewall,and more
● Are located under /lib/modules/
$(uname -r)/
● Compiled for a specific kernel version and are provided with the kernel RPM.
Third party modules may be added
● lsmod provides a list of loaded modules
● modprobe can load and unload modules
● modinfo displays information about any
available module
● /etc/modprobe.conf used for module
Linux Modules Introduction,布布扣,bubuko.com
原文：http://www.cnblogs.com/oskb/p/3876044.html