ftp://ftp.nrc.ca/pub/systems/linux/  direct

[DIR]ubuntu/  direct  634+ twin directories
[DIR]suse/  direct  3850+ twin directories
[DIR]slackware/  direct  2218+ twin directories
[DIR]redhat/  direct  7243+ twin directories
[DIR]opensuse/  direct  419+ twin directories
[DIR]knoppix/  direct  168 twin directories
[DIR]kernel.org/  direct  62 twin directories
[DIR]iptables/  direct  3527+ twin directories
[DIR]gentoo/  direct  2190+ twin directories
[DIR]debian.org/  direct  9 twin directories
[DIR]centos/  direct  185 twin directories
[DIR]alsa/  direct  2455+ twin directories
[DIR]HOWTO/  direct  1359+ twin directories