A question from my email bag – How do you find out all drivers loaded by FreeBSD kernel?
Under FreeBSD operating system you need to use the kldload utility to load file.ko into the kernel using the kernel linker. You can find all loadable kernel drivers in in /boot/kernel or /boot/modules/ directory. Some modules (pf, ipfw, ipf, etc.) may be automatically loaded at boot time when the corresponding /etc/rc.conf statement is used. Modules [...]