It's one of the last single-user focused operating systems. Its design from kernel to UI is intended to make the system accessible to the user sitting at the desk. It was _extraordinarily_ fast and stable on even modest hardware of the era, and its software toolkit was a delight to use.

Even now, using it feels like the system is bereft of bloat and cruft. It's a system _for the user_ that doesn't assume that the user is technically incapable.