$ ls
acpi		cd0		kbd2		pf		ttyv9
ad4		console		kbdmux0		ppi0		ttyva
ad4s1		consolectl	klog		pts		ttyvb
ad4s2		ctty		kmem		random		ttyvc
ad4s3		cuau0		log		sndstat		ttyvd
ad4s4		cuau0.init	lpt0		stderr		ttyve
ad4s4a		cuau0.lock	lpt0.ctl	stdin		ttyvf
ad4s4b		da0		mdctl		stdout		ufssuspend
ada0		da0s1		mem		sysmouse	ugen0.1
ada0s1		devctl		midistat	ttyu0		ugen0.2
ada0s2		devstat		mixer0		ttyu0.init	ugen0.3
ada0s3		dsp0.1		mixer1		ttyu0.lock	ugen1.1
ada0s4		dsp1.0		mixer2		ttyv0		ugen1.2
ada0s4a		dsp2.0		nfslock		ttyv1		ukbd0
ada0s4b		dumpdev		null		ttyv2		ums0
apm		fd		nvidia0		ttyv3		urandom
apmctl		fido		nvidiactl	ttyv4		usb
atkbd0		geom.ctl	pass0		ttyv5		usbctl
audit		io		pass1		ttyv6		xpt0
bpf		kbd0		pass2		ttyv7		zero
bpf0		kbd1		pci		ttyv8