Twin directories of linux:

[DIR]  ftp://ftp.star.ucl.ac.uk/SSH/linux/
[DIR]  ftp://ftp.mari-el.ru/pub/pgp/6.5.1/linux/
[DIR]  ftp://ftp.tm.informatik.uni-frankfurt.de/pub/linux/
[DIR]  ftp://ftp.ccs.neu.edu/.snapshot/hourly.1/pub/slip-ppp/linux/
[DIR]  ftp://166.84.1.1/pub/linux/
[DIR]  ftp://ftp.parc.xerox.com/pub/lfg/medley35/linux/
[DIR]  ftp://ftp.parc.xerox.com/pub/lfg/linux/
[DIR]  ftp://166.84.1.3/pub/linux/
[DIR]  ftp://ftp.ox.ac.uk/pub/comp/security/COAST/mirrors/ftp.vr.net/binaries/dec/linux/
[DIR]  ftp://ftp.ox.ac.uk/pub/comp/security/COAST/mirrors/ftp.vr.net/binaries/intel/linux/
[DIR]  ftp://ftp.ox.ac.uk/pub/comp/security/COAST/mirrors/ftp.vr.net/binaries/sun/linux/
[DIR]  ftp://ftp.ox.ac.uk/pub/comp/security/COAST/mirrors/vic.cc.purdue.edu/lsof/binaries/linux/
[DIR]  ftp://ftp.ox.ac.uk/pub/crypto/pgp/pgpi/5.0/unix/linux/
[DIR]  ftp://ftp.ox.ac.uk/pub/crypto/pgp/pgpi/6.5/6.5.1/linux/
[DIR]  ftp://ftp.sds.lcs.mit.edu/pub/jca/linux/
[DIR]  ftp://ftp.cs.rutgers.edu/pub/linux/
[DIR]  ftp://ftp.uni-leipzig.de/pub/kommunikation/hamradio/linux/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/pub/comp/os/linux/
[DIR]  ftp://ftp.uni-leipzig.de/pub/sec/linux/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/
[DIR]  ftp://ftp.aai.ee/pub/linux/
[DIR]  ftp://ftp.qms.com/pub/cta/out_going/linux/
[DIR]  ftp://ftp.qms.com/pub/cts/out_going/linux/
[DIR]  ftp://ftp.qms.com/pub/crc/out_going/linux/
[DIR]  ftp://ftp.qms.com/pub/drivers/linux/
[DIR]  ftp://ftp.grame.fr/pub/Elody/linux/
[DIR]  ftp://ftp.tcp.co.uk/pub/linux/
[DIR]  ftp://ftp.vvm.com/pub/linux/
[DIR]  ftp://ftp.imagemagick.net/pub/ImageMagick/linux/
[DIR]  ftp://ftp.imagemagick.net/pub/Multipole/linux/
[DIR]  ftp://ftp.imagemagick.net/pub/WizardsToolkit/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/pub/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/misc/src/anaconda/loader/pcmcia-install/include/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.openwall.com/pub/patches/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.openwall.com/pub/projects/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/old/materialy-plytka-SO-2004-cd/strona_www_SO/Linux/Kod/include/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/old/materialy-plytka-SO-2004/strona_www_SO/Linux/Kod/include/linux/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/materialy-plytka-SO-2005/strona_www_SO/Linux/Kod/include/linux/
[DIR]  ftp://ftp.seul.org/pub/pingus/betatesting/linux/
[DIR]  ftp://ftp.seul.org/pub/pingus/linux/
[DIR]  ftp://ftp.kemsu.ru/pub/mirrors/ftp.avp.ru/patches/mp/kavsamba5.0_mp1/linux/
[DIR]  ftp://ftp.kemsu.ru/pub/mirrors/ftp.avp.ru/patches/mp/kavsamba5.0_mp2/linux/
[DIR]  ftp://ftp.kemsu.ru/pub/mirrors/ftp.avp.ru/patches/mp/kavunix5.0mp2/linux/
[DIR]  ftp://ftp.kemsu.ru/pub/mirrors/ftp.avp.ru/patches/uu/kavunix5.0.2_uu1/linux/
[DIR]  ftp://ftp.udel.edu/pub/people/baxter/skey/linux/
[DIR]  ftp://82.96.64.7/pub/linux/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/marcelo/linux-2.4/include/linux/
[DIR]  ftp://ftp.research.telcordia.com/pub/admin/linux/
[DIR]  ftp://ftp.dit.upm.es/linux/