On Sun, May 3, 2015 at 3:36 PM, Frantisek Hanzlik wrote:

Rahul, I'm not sure what you're talking about, sorry for my narrow
english knowledge.
Despite of that, although I know that systemd fans talk how is its
documentations exhaustive (best/ideal/...), it isn't truth

I disagree with your perspective. There is plenty of documentation including tutorials, man pages, guide style documentation etc

Scroll down

http://www.freedesktop.org/wiki/Software/systemd/

If you are missing something specific, feel free to file a bug report or RFE and reply with that link here.

Rahul