On Wed, 13 Jun 2018 17:59:19 -0300 Matias Fonzo <s...@dragora.org> wrote:
> On Wed, 13 Jun 2018 17:29:48 -0300 > Jesse Smith <jsm...@resonatingmedia.com> wrote: > > > On 06/13/2018 05:01 PM, Matias Fonzo wrote: > > > According to init(8): > > > > > > [..] > > > > > > ENVIRONMENT > > > Init sets the following environment variables for all its > > > children: > > > > > > RUNLEVEL > > > The current system runlevel. > > > [..] > > > > > > Probably there is no need to write/read such file... > > > > > > > While that is true, in this case reboot/halt would not be a direct > > child of init. If you have a shell open and run "echo $RUNLEVEL" you > > will probably find the variable is not set, unless your shell is a > > direct descendant of init. That is why I think having the value > > stored in a specific, non-volatile location. > > > > > > I'm curious, why shutdown need to determine the runlevel?. > I found the notes on the halt manpage. Interesting.
