ftp://ftp.uni-magdeburg.de/pub/mirror/videoconference/0_os/  direct

[DIR]win/  direct  7614+ twin directories
[DIR]solaris/  direct  7617+ twin directories
[DIR]linux/  direct  31577+ twin directories
[DIR]irix/  direct  1644+ twin directories
[DIR]hpux/  direct  3414+ twin directories
[DIR]freebsd/  direct  4076+ twin directories