Some distros come with it pre-installed some have to do it manually, if you’re trying make your operating system have more pizzaz then small things like this spice it up.
Fastfetch is actually quite customizable yet most people leave it on the defaults since it adopts the theme of each distro.
Pssst, what is neofetch and fastfetch?
Neofetch is the precursor to Fastfetch, Neofetch eventually became unmaintained which birthed Fastfetch a fork of Neofetch.
Essentially it’s a CLI tool to quickly list out system specifications, you can change what it lists with a config file.
Here is their GitHub - https://github.com/fastfetch-cli/fastfetch
I’ve commonly seen it used in a terminal when people are showing off a screenshot of their custom Unix desktop theme.
Some distros come with it pre-installed some have to do it manually, if you’re trying make your operating system have more pizzaz then small things like this spice it up.
Fastfetch is actually quite customizable yet most people leave it on the defaults since it adopts the theme of each distro.