MP/M allowed you to do this on a microcomputer (like an Altos 8000) in 1979. It was text-based, but it worked quite well. http://en.wikipedia.org/wiki/MP/M htt

MP/M allowed you to do this on a microcomputer (like an Altos 8000) in 1979. It was text-based, but it worked quite well. http://en.wikipedia.org/wiki/MP/M http://en.wikipedia.org/wiki/MP/M