Maybe you are looking for: add_drv / rm_drv ?

Maintenance Commands                                  add_drv(1M)

NAME
     add_drv - add a new device driver to the system

SYNOPSIS
     add_drv   [  -b basedir  ]   [   -c class_name   ]    [   -i
     'identify_name...'  ]  [ -m 'permission','...'  ]  [ -n ]  [
     -f ]  [ -v ] device_driver

DESCRIPTION
     The  add_drv  command is used to  inform  the  system  about
     newly installed device drivers.


>Can anyone tell me the Sun equivilent of the rmdev mkdev commands?