Learn IPv6 On Linux

After I read  IPv6 Crash Course For Linux , I summary about it.

1. You must specific interfaces that you will check or use every times.
2. It's hard to remember but not hard to understand about how to calculate the address.
3. Some commands can use with IPv6 but some commands can't use.

and this is some path of the article.
IPv6 AdvantagesWhat does IPv6 offer over IPv4? Well, aside from the