Free Operating System Downloads

HI every body theseare the operating systems which I found for free to download. If any other operating system required please post me.
AROS http://www.aros.org/download.php
AtheOS http://www.atheos.cx/download/list.php3
Cefarix http://sourceforge.net/projects/cefarix
Chaos http://chaosdev.org/index.pl?chaos/Download
CP/M http://www.seasip.demon.co.uk/Cpm/software/index.html
Darwin http://www.opensource.apple.com/projects/darwin/release.html
DCP http://www.kc85.de/downloads.html
Debian GNU/Hurd http://www.debian.org/ports/hurd/hurd-cd
E.R.I.K.A http://erika.sssup.it/download.shtml
eCos http://ecos.sourceware.org/getstart.html
ELKS http://elks.sourceforge.net/download/
ERaMS http://erams.sourceforge.net/distrib.
EROS http://www.eros-os.org/project/build.html
Fiasco http://os.inf.tu-dresden.de/fiasco/download.html
Free-VMS ftp://freevms.nvg.org/pub/vms/freevms
FreeBSD http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/mirrors.html
FreeDOS http://www.freedos.org/freedos/files/
Solar operating system 10 http://www.opensolaris.com/get/
Linux http://www.linux.org
Menuet http://www.menuetos.org/download.htm
Minix http://www.cs.vu.nl/pub/minix/
MorphOS http://www.morphos.de/fileslinks.php3
NetBSD http://www.netbsd.org/Releases/
Oberon http://www.oberon.ethz.ch/native/
OpenBEOS http://sourceforge.net/projects/crux/
OpenBSD http://www.openbsd.org/ftp.html
Plan 9 http://plan9.bell-labs.com/plan9dist/download.html
PowerOS http://www.poweros.de/download.html
QNX http://get.qnx.com
ReactOS http://www.reactos.com/index.php?tab=software§ion=reactos
RTEMS http://www.rtems.com/RTEMS/Source/source.html
S.Ha.R.K http://shark.sssup.it/download.html
SkyOS http://www.skyos.org/downloads/
Solaris 8 http://www.sun.com/solaris/binaries/get.html
Unununium None
V2_OS http://www.v2os.cx/
VSTa http://vsta.sourceforge.net/
Winmac http://sourceforge.net/projects/winmac
xMach http://sourceforge.net/projects/xmach/
Yamit http://yamit.sourceforge.net/download.html
ZotOS http://members.tripod.com/~zot_os/public_html/download.html

Mona Os -----------------------> http://monaos.org/