Date: Wed, 13 Jun 2018 17:30:29 -0600 From: JD <jd1008@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: How to detect single user mode in FreeBSD ? Message-ID: <5B21A915.3000209@gmail.com> In-Reply-To: <CALM2mEk9oVaswyAPLoe1G%2BgO1Ftyw0NOt_0eksn68m5mE0tHtQ@mail.gmail.com> References: <e9731c0f-1269-8919-836a-29b9a2f6b0dc@yandex.com> <c0718db9-8b46-2301-a770-cd334cbf0f07@ShaneWare.Biz> <f66e1b62-a6d5-c969-78ca-3ae9eb82efc5@yandex.com> <20180613141217.a3ab7160a55398bf5ed56ef2@sohara.org> <d4130902-917c-39d4-979a-87c3769bb620@kicp.uchicago.edu> <CALM2mEk9oVaswyAPLoe1G%2BgO1Ftyw0NOt_0eksn68m5mE0tHtQ@mail.gmail.com>
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On 06/13/2018 05:20 PM, blubee blubeeme wrote: > On Wed, Jun 13, 2018, 22:49 Valeri Galtsev <galtsev@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@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?
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