GNU/Linux Debian Unstable Install PostgreSQL 12 Guide
Hi! The Tutorial shows you Step-by-Step How to Install PostgreSQL 12 in Debian Sid Unstable GNU/Linux.
And PostgreSQL for Debian Sid is a Powerful, Open Source Object-Relational Database System with a proven Architecture knows for its strong Reliability, Data Integrity, and Correctness.
Finally, PostgreSQL 12 is a Major Release that contains several substantial Changes and Improvements.

1. Launching Terminal
Open a Shell Terminal emulator window
(Press “Enter” to Execute Commands)