sudo apt install Screenfetch

 $ sudo apt install screenfetch

[sudo] password for dhwan: 

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following NEW packages will be installed:

  screenfetch

0 upgraded, 1 newly installed, 0 to remove and 24 not upgraded.

Need to get 54,8 kB of archives.

After this operation, 264 kB of additional disk space will be used.

Get:1 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 screenfetch all 3.9.1-1 [54,8 kB]

Fetched 54,8 kB in 2s (35,9 kB/s)                       

Selecting previously unselected package screenfetch.

(Reading database ... 305968 files and directories currently installed.)

Preparing to unpack .../screenfetch_3.9.1-1_all.deb ...

Unpacking screenfetch (3.9.1-1) ...

Setting up screenfetch (3.9.1-1) ...

Processing triggers for man-db (2.9.1-1) ...