Installing BeOS on a modern computer. This is a very cool alternative operating system.
The screenshot below, shows an Apple II machine connecting to a Debian server over a network connection. This allows the more powerful machine to be administered easily over a remote connection. I wonder if you could use an Apple II as a serial terminal to a modern computer?
This is Debian Linux installed on a SUN Ultra SPARC. This is possible with the 64-bit Sparc 64 port.
Installing Sun Microsystems Solaris on an Ultra SPARC machine.
Booting an x86 machine into DOS, which then bootstraps a Debian Linux 9.0 installation….
Old Soviet union personal computer, DVK-3.
Obscure and retro hardware from the past. This is very interesting, and shows how far we have come.