Detect Linux Runlevel

[Chris Angelico]

On Tue, Dec 6, 2016 at 8:38 AM, Lew Pitcher
<lew.pitcher at digitalfreehold.ca> wrote:
> The OP asked for the runlevel, not the systemd target.

Runlevels don't exist in systemd. And systemd targets don't exist in
Upstart. The question "what runlevel are we in" does not make sense
unless you're using an init system that works on the basis of
runlevels (eg sysvinit).

ChrisA