Add SUM sysctl

[Daniel O'Connor]

On 15/04/2011, at 17:49, rank1seeker at gmail.com wrote:
>> On 15/04/2011, at 17:03, rank1seeker at gmail.com wrote:
>>> I would like implementation of boolean sysctl var, that would show, is 
> system in a single user mode.
>>> I would like it from 8.3 onwards.
>> 
>> AFAIK the kernel doesn't have a "single user" mode.
>> 
>> It's just that when you boot into single user mode it asks you want to 
> run rather than starting /sbin/init.
> 
> I see, but 'ps' shows /sbin/init as PID 1, in both SUM and MUM.
> How can I fiducially ensure that I am in SUM.
> On what to rely/look on.

Oh oops, I guess the kernel runs init -s which then asks you..

> I wana put it in sh's function, for usage in scripts.

Why?

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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