- iic
- iicbb
- iicbus
- iicsmb
- iir
- inet
- inet6
- initrd
- integrate
- intel
- intel-virtual-output
- interpolate
- intpm
- intro
- io
- ip
- ip6
- ipf
- ipfilter
- ipfw
- ipl
- ipmi
- ipnat
- ips
- IPsec
- ipw
- ipwfw
- irnet
- irnetd
- isci
- iscsi
- iscsi_initiator
- isdnctrl
- isdninfo
- isdn_audio
- isp
- ispfw
- iwi
- iwifw
- iwn
- iwnfw
- ixgb
- ixgbe
- jme
- joy
- joystick
- kbd
- kbdmux
- keyboard
- kld
- kmem
- kmem
- ksyms
- ktr
- kue
- lagg
- le
- led
- level_set
- lge
- libinput
- libpfm_arm_ac53
- libpfm_arm_ac57
- limiter
- lindev
- linux
- lirc
- lmc
- lo
- longrun
MAN (4)
Special files (usually devices, those found in /dev) and drivers