userconf —
in-kernel device configuration manager
userconf is the in-kernel device configuration manager.
  It is used to alter the kernel autoconfiguration framework at runtime.
  userconf is activated from the boot loader by passing
  the -c option to the kernel.
The general command syntax is:
command
  [option]
userconf has a
    more(1)-like functionality; if a
    number of lines in a command's output exceeds the number defined in the
    lines variable, then userconf displays “--
    more --” and waits for a response, which may be one of:
  - <return>
- one more line.
- <space>
- one more page.
- q
- abort the current command, and return to the command input mode.
 
userconf supports the following commands:
  - linescount
- Specify the number of lines before more.
- base8 | 10 |
    16
- Base for displaying large numbers.
- changedevno | dev
- Change devices.
- disabledevno | dev
- Disable devices.
- enabledevno | dev
- Enable devices.
- exit
- A synonym for quit.
- finddevno | dev
- Find devices.
- help
- Display online help.
- list
- List current configuration.
- quit
- Leave userconf.
- ?
- A synonym for help.
Theuserconf framework first appeared in
  OpenBSD 2.0, and was then integrated into
  NetBSD 1.6.