Twin directories of zrodla_kernela:

[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/old/materialy-plytka-SO-2004-cd/zrodla_kernela/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/old/materialy-plytka-SO-2004/zrodla_kernela/
[DIR]  ftp://ftp.mimuw.edu.pl/People/sebek/3060/materialy-plytka-SO-2005/zrodla_kernela/