Twin directories of usr:

[DIR]  ftp://gee.cs.oswego.edu/usr/
[DIR]  ftp://ftp.keystealth.org/pub/gnu/tmp/linux-libre-fsf2_2.6.28/linux-2.6.28/usr/
[DIR]  ftp://ftp.oswego.edu/usr/
[DIR]  ftp://ftp.awi-bremerhaven.de/usr/
[DIR]  ftp://ftp.site-eerie.ema.fr/usr/
[DIR]  ftp://ftp.danlan.com/usr/
[DIR]  ftp://ftp.tva.gov/usr/
[DIR]  ftp://ftp.keele.ac.uk/usr/
[DIR]  ftp://ftp.cs.rutgers.edu/usr/
[DIR]  ftp://spider.nrcde.ru/usr/
[DIR]  ftp://ftp.shrubbery.net/usr/
[DIR]  ftp://ftp.mainstreet.net/usr/
[DIR]  ftp://ftp.gfz-potsdam.de/usr/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/RedHat/instimage/usr/
[DIR]  ftp://ftp.mimuw.edu.pl/People/jsbien/pto/ftp.cc.huji.ac.il/tex/editors/unix/hemacs/for_sparc/usr/
[DIR]  ftp://ftp.udel.edu/usr/
[DIR]  ftp://ftp.research.telcordia.com/usr/
[DIR]  ftp://ftp.eur.nl/usr/
[DIR]  ftp://ftp.csufresno.edu/usr/
[DIR]  ftp://ftp.nlm.nih.gov/usr/
[DIR]  ftp://ftp.qucis.queensu.ca/usr/
[DIR]  ftp://ftp.csus.edu/usr/
[DIR]  ftp://ftp.adfa.edu.au/usr/
[DIR]  ftp://ftp.unb.ca/pub/EBS/solaris_32/SUNWebsd/reloc/usr/
[DIR]  ftp://ftp.unb.ca/pub/EBS/solaris_64/116832-03/SUNWebsd/reloc/usr/
[DIR]  ftp://ftp.unb.ca/pub/EBS/solaris_64/SUNWebsd/reloc/usr/
[DIR]  ftp://ftp.unb.ca/pub/EBS7.2_hotfix/Solaris/116831-02/SUNWebsd/reloc/usr/
[DIR]  ftp://ftp.unb.ca/pub/EBS7.2_hotfix/Solaris/116832-02/SUNWebsd/reloc/usr/
[DIR]  ftp://ftp.unb.ca/pub/EBS7.2_hotfix/Solaris/LGTOdrvr/reloc/usr/
[DIR]  ftp://ftp.unb.ca/usr/
[DIR]  ftp://ftp.uni-freiburg.de/usr/
[DIR]  ftp://ftp.cs.bgu.ac.il/usr/
[DIR]  ftp://ftp.infotech.tu-chemnitz.de/usr/
[DIR]  ftp://ftp.reed.edu/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/arm/arm-cross-hhl/gdbserver-5.2.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/i386-host-native/host-native/busybox-0.60.2.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/i386-host-native/host-native/ettcl-14.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/i386-host-native/host-native/gdbserver-5.2.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/i386-native-libc5/i386-native-libc5/busybox-0.60.2.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/i386-native-libc5/i386-native-libc5/ettcl-14.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/ppc-host-native/host-native/busybox-0.60.2.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/ppc-host-native/host-native/ettcl-14.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/ppc-host-native/host-native/gdbserver-5.2.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.2/etlinux-1.2.1-pkg/busybox-0.40.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/mirrors/appunti/HTML/allegati/a2/os16/skel/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/arm/arm-cross-hhl/busybox-0.60.2.bin/usr/
[DIR]  ftp://ftp.linux.it/pub/People/rubini/etlinux/etlinux-1.1.3/etlinux-1.1.3-pkg/arm/arm-cross-hhl/ettcl-14.bin/usr/
[DIR]  ftp://ftp.pepperdine.edu/usr/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/docs/LuCaS/GNOME/usr/
[DIR]  ftp://ftp.bath.ac.uk/usr/