%ls /dev/
acpi            dsp0.0          mem             sndstat         ttyv8
ad4             dsp0.1          midistat        stderr          ttyv9
ad4s1           dsp0.2          mixer0          stdin           ttyva
ad4s1a          dsp0.p0         music0          stdout          ttyvb
ad4s1b          dsp0.r0         net             sysmouse        ttyvc
ad4s1c          dsp0.v0         net1            ttyd0           ttyvd
apm             dspW0.0         net2            ttyd0.init      ttyve
ata             dspW0.1         network         ttyd0.lock      ttyvf
atkbd0          dspW0.2         nfs4            ttyp0           ukbd0
audio0.0        fd              nfslock         ttyp1           ums0
audio0.1        fido            null            ttyp2           urandom
audio0.2        geom.ctl        nvidia0         ttyp3           usb
bpf0            io              nvidiactl       ttyp4           usb0
console         kbd0            pci             ttyv0           usb1
consolectl      kbd1            ptyp0           ttyv1           usb2
ctty            kbd2            ptyp1           ttyv2           usb3
cuad0           kbdmux0         ptyp2           ttyv3           usb4
cuad0.init      klog            ptyp3           ttyv4           usb5
cuad0.lock      kmem            ptyp4           ttyv5           usb6
devctl          log             random          ttyv6           xpt0
devstat         mdctl           sequencer0      ttyv7           zero