7/7     1980s:
        Mac: ...
        PC: .....
        Atari: ...
        Apple ][: ..
        C64/128/Amiga: .
        ______
        1990s:
        Mac: ..
        Windows: .........
        Linux:  ..
        BSD: ....
        GEOS: .
        _______
        Today?
        PC Windows: ........
        PC Linux/BSD: .....
        Mac: .
        Mac+Windows: .
        \_ I guess Mac users don't answer stupid polls, but they do a pretty
           good job of answering motd questions.
           \_ Maybe there's only one Mac user?
                \_ there are multiple signed posts by mac users in this
                   file alone.