When Windows came out, there were desktop unix(ish) systems, e.g. from Sun or Apollo. Of course they were an order of magnitude more expensive than a PC, so it'

When Windows came out, there were desktop unix(ish) systems, e.g. from Sun or Apollo. Of course they were an order of magnitude more expensive than a PC, so it's hard to argue that they really competed. At that time, if you needed a unix workstation, a Windows PC was not a viable substitute.