boot menu option to disable graphics mode

[Doug Barton]

On 06/07/2012 02:57 AM, Gleb Kurtsou wrote:
> What do you think about adding generic support for overriding *_enable
> options in rc.conf?
> 
> I'd like to be able to disable services at boot prompt, e.g.
> # set rc.slim_enable="no" -- overrides slim_enable="yes" in rc.conf
> 
> Similarly rc.pf_enable="no"
> 
> Then introduce x_enable knob (=yes by default) to disable login
> managers. User will be able to override this setting with
> # service xdm forcestart

Why not just:

boot single user
fsck -p
mount -a
$EDITOR /etc/rc.conf[.local]