Date: 2019apr21
Update: 2026oct16
OS: Linux
Language: mixed
Q. Linux: Nice looking basic system info
A. Now, fastfetch is preferred.
To run:
fastfetch
Example fastfetch:

If you don't have that use neofetch.
neofetch shows an ASCII logo on the left
and basic system info on the right. Its written in bash so has very
light requirements.
To run:
neofetch
Example Neofetch:

You can also use
$ lsb_release -a
LSB Version: :core-4.1-amd64:core-4.1-noarch
Distributor ID: Fedora
Description: Fedora release 29 (Twenty Nine)
Release: 29
Codename: TwentyNine
And
$ uname -a
Linux davekb.com 5.0.6-200.fc29.x86_64 #1 SMP Wed Apr 3 15:09:51 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux