This is a simply list of current versions (and at most, one previous version) of popular (medium to high deployment) operating systems/UNIX distributions. If possible, a link to the x86/x86_64 ISO file should also be provided. For the most part, these should be freely available downloads.
## Linux Distributions
| | | | | |
|-|-|-|-|-|
| Name | Version | Architecture | Info Link | Download link |
| Ubuntu Server | 10.04 LTS | x86 | http://www.ubuntu.com/server | http://mirror.mcs.anl.gov/pub/ubuntu-iso/CDs-Ubuntu/lucid/ubuntu-10.04.1-server-i386.iso |
| Ubuntu Server | 10.04 LTS | x86_64 | http://www.ubuntu.com/server | http://mirror.mcs.anl.gov/pub/ubuntu-iso/CDs-Ubuntu/lucid/ubuntu-10.04.1-server-amd64.iso |
| Ubuntu Desktop | 10.04 LTS | x86 | http://www.ubuntu.com/desktop | http://mirror.mcs.anl.gov/pub/ubuntu-iso/CDs-Ubuntu/lucid/ubuntu-10.04.1-desktop-i386.iso |
| Ubuntu Desktop | 10.04 LTS | x86_64 | http://www.ubuntu.com/desktop | http://mirror.mcs.anl.gov/pub/ubuntu-iso/CDs-Ubuntu/lucid/ubuntu-10.04.1-desktop-amd64.iso |
| Debian Stable | 5.06 | x86 | http://www.debian.org | http://cdimage.debian.org/debian-cd/5.0.6/i386/iso-cd/debian-506-i386-CD-1.iso |
| Debian Stable | 5.06 | x86_64 | http://www.debian.org | http://cdimage.debian.org/debian-cd/5.0.6/amd64/iso-cd/debian-506-amd64-CD-1.iso |
| OpenSuSE | 11.3 | x86 | http://www.opensuse.org | http://distro.ibiblio.org/pub/linux/distributions/opensuse/distribution/11.3/iso/openSUSE-11.3-DVD-i586.iso |
| OpenSuSE | 11.3 | x86_64 | http://www.opensuse.org | http://distro.ibiblio.org/pub/linux/distributions/opensuse/distribution/11.3/iso/openSUSE-11.3-DVD-x86_64.iso |
| CentOS | 5.5 | x86 | http://www.centos.org | http://mirrors.kernel.org/centos/5.5/isos/i386/CentOS-5.5-i386-bin-DVD.iso |
| CentOS | 5.5 | x86_64 | http://www.centos.org | http://mirrors.kernel.org/centos/5.5/isos/x86_64/CentOS-5.5-x86_64-bin-DVD-1of2.iso |
| Fedora | 13 | x86 | http://www.fedoraproject.org | http://ftp.usf.edu/pub/fedora/linux/releases/13/Fedora/i386/iso/Fedora-13-i386-DVD.iso |
| Fedora | 13 | x86_64 | http://www.fedoraproject.org | http://ftp.usf.edu/pub/fedora/linux/releases/13/Fedora/x86_64/iso/Fedora-13-x86_64-DVD.iso |
| Gentoo | 10.0 | x86_64 | http://www.gentoo.org | http://distfiles.gentoo.org/releases/amd64/autobuilds/current-iso/install-amd64-minimal-20100902.iso http://distfiles.gentoo.org/releases/amd64/autobuilds/current-iso/stage3-amd64-20100902.tar.bz2 |
| Gentoo | 10.0 | i686 | http://www.gentoo.org | http://distfiles.gentoo.org/releases/x86/autobuilds/current-iso/install-x86-minimal-20100921.iso http://distfiles.gentoo.org/releases/x86/autobuilds/current-iso/stage3-i686-20100921.tar.bz2 |
| GoboLinux | 014.01 | x86 | http://www.gobolinux.com | ftp://ibiblio.org/pub/Linux/distributions/gobolinux/iso/GoboLinux-014.01-i686.iso |
| Slackware | 13.1 | x86 | http://slackware.com/ | http://slackware.cs.utah.edu/pub/slackware/slackware-13.1-iso/slackware-13.1-install-dvd.iso |
## BSD Varients
| | | | | |
|-|-|-|-|-|
| Name | Version | Architecture | Info Link | Download link |
| OpenBSD | 4.7 | x86 | http://www.openbsd.org | http://ftp5.usa.openbsd.org/pub/OpenBSD/4.7/i386/install47.iso |
| OpenBSD | 4.7 | x86_64 | http://www.openbsd.org | http://ftp5.usa.openbsd.org/pub/OpenBSD/4.7/amd64/install47.iso |
| FreeBSD | 8.1 | x86 | http://www.freebsd.org | ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/ISO-IMAGES/8.1/FreeBSD-8.1-RELEASE-i386-dvd1.iso.gz |
| FreeBSD | 8.1 | x86_64 | http://www.freebsd.org | ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/ISO-IMAGES/8.1/FreeBSD-8.1-RELEASE-amd64-dvd1.iso.gz |
| FreeBSD | 7.3 | x86 | http://www.freebsd.org | ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/ISO-IMAGES/7.3/FreeBSD-7.3-RELEASE-i386-dvd1.iso.gz |
| FreeBSD | 7.3 | x86_64 | http://www.freebsd.org | ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/ISO-IMAGES/7.3/FreeBSD-7.3-RELEASE-amd64-dvd1.iso.gz |
| NetBSD | 5.02 | x86 | http://www.netsbsd.org | ftp://iso.netbsd.org/pub/NetBSD/iso/5.0.2/i386cd-5.0.2.iso |
| NetBSD | 5.02 | x86 | http://www.netsbsd.org | ftp://iso.netbsd.org/pub/NetBSD/iso/5.0.2/i386cd-5.0.2.iso |
| DragonFly BSD | 2.6.3 | x86 | http://www.dragonflybsd.org | ftp://ftp.dragonflybsd.org/iso-images/dfly-i386-2.6.3_REL.iso.bz2 |
| DragonFly BSD | 2.6.3 | x86_64 | http://www.dragonflybsd.org | ftp://ftp.dragonflybsd.org/iso-images/dfly-x86_64-2.6.3_REL.iso.bz2 |
## Other Operating Systems
| | | | | |
|-|-|-|-|-|
| Name | Version | Architecture | Info Link | Download link |
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