Run levels

[ESGLinux]

Hello,

as Harry says RTFM --, no,  I´m kidding,

I resume AFAIK

level 1 - activates SELinux, runs /etc/rc.sysinit, (that mounts the
filesystems) and executes all scritps in /etc/rc1.d
s or single - The same as level 1 but does not execute /etc/rc1.d scripts
emergency -  activates SELinux, mounts only /

if you put at boot prompt

init=/bin/sh  - its like emergency but without SELinux

I think thats all, if anyone can say anymore its welcome,

Greetings

ESG



2009/2/19 Brian Fox <genkuro at gmail.com>

> Studying for the RHCE...
>
> What's the difference between the "emergency" "single" and 1 runlevels?  I
> purposefully clobbered my inittab file and rebooted.  Redhat prompted for a
> runlevel.  Of the three, "single" was the only one that booted.
>
> I'm curious why.  Grep'ing the words single and emergency in the etc
> directory came up empty.  Those runlevels aren't explicitly supported by
> the
> boot scripts.
>
> Any insight greatly appreciated.
>
> Thanks,
> Brian
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