I was surprised more because I thought it was pretty well settled. I use it in my home LAN to access file shares. (Linux desktops and a Linux server.) Is would

I was surprised more because I thought it was pretty well settled. I use it in my home LAN to access file shares. (Linux desktops and a Linux server.) Is would be used between 'nix servers and clients? Is it something that would be useful on the home LAN?