How to detect single user mode in FreeBSD ?

[JD]

On 06/13/2018 05:20 PM, blubee blubeeme wrote:
> On Wed, Jun 13, 2018, 22:49 Valeri Galtsev <galtsev at kicp.uchicago.edu>
> wrote:
>
>>
>> On 06/13/18 08:12, Steve O'Hara-Smith wrote:
>>> On Wed, 13 Jun 2018 18:04:08 +0530
>>> Manish Jain <jude.obscure at yandex.com> wrote:
>>>
>>>> Tx for replying. But don't you think there should ideally be a sysctl to
>>>> be detect the runlevel, particularly single user mode ? It makes things
>>>        The runlevel concept comes from sysV init, it isn't a BSD thing at
>>> all. There isn't a real difference at all between single user and multi
>>> user. Single user mode is really just one of two states - before enabling
>>> ttys and running the rc scripts with start or after disabling the ttys
>> and
>>> running the rc.shutdown script. There's nothing special about it.
>>>
>>>        If you feel a need to test for single user then you should probably
>>> be testing for something else - such as whether a filesystem is mounted
>>> before running fsck on it which is what really matters and is completely
>>> independent of whether or not the system is running multi-user.
>>>
>> Thanks, Steve, for great explanation!
>>
>> Being Linux refugee myself I know the gang from inside: we fall into
>> wide spread of the spectrum, from learning hard (or re-learning and
>> expanding knowledge in case of those of us who had a journey from UNIX
>> to Linus and back) to actively demanding introduction into FreeBSD of
>> familiar things: Linuxisms. Explanations like yours always are
>> ultimately teach Linux refugees what FreeBSD is, and hopefully makes
>> them (us ;-) stop demanding introduction of Linuxisms into FreeBSD.
>>
> I can't agree with you more. FreeBSD isn't a Linux distribution.
>
>
To the original poster of this question:
Does the command
who -r
still work in FBSD?