How to Add Debian Testing Repo on Debian-Based Systems
Enabling Debian Testing Repository
How to Add Debian Testing Main, Contrib and Non Free Repositories on Debian-Based GNU/Linux OSes.
And Debian Testing Repository contains some Recent Extras Stuff that you may want Installed on some OldStable Based System.
Especially relevant: using the Apt Default Release Setup after this the System Stability is Granted!
So this Repo Setup is valid for all the Debian-based Platforms like:
- Kali
 - Deepin
 - MX Linux
 - antiX
 - Parrot
 - SparkyLinux
 - Voyager
 - Netrunner
 - Elive
 - LMDE
 - CrunchBang
 - MakuluLinux
 - Devuan
 
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1. Launching Terminal
How to QuickStart with Command Line on GNU/Linux