New reboot flag: -c for 'power cycle'

[Jonathan de Boyne Pollard]

Warner Losh:

>     * There is a new compatibility fastpowercycle/powercycle command,
>     with all of the same options for cruel system administrators.
>
> Hmmm, I like this. I'll have to add it to FreeBSD. I should have 
> thought of it in the first place.
>
(-:

If you want further ideas like this, I've proposed adding a -b flag and 
boot_bare variable to the kernel and loader for a while, now.  Old BSD 
init can just treat it as identical to -s, but my softwares can 
definitely make good use of it.

* http://jdebp.eu./Softwares/nosh/roadmap.html#Ideas

* 
https://freebsd.org/news/status/report-2015-07-2015-09.html#The-nosh-Project