Sistemas Operacionais Linux

1. Ubuntu Todas as Versões = http://old-releases.ubuntu.com/releases/
2. Debian Todas as Versões = https://cdimage.debian.org/mirror/cdimage/archive/
3. Fedora Todas as Versões = https://dl.fedoraproject.org/pub/fedora/linux/releases/ 
4. Centos Todas as Versões = http://vault.centos.org/ 
5. Slackware Todas as Versões = http://slackware.cs.utah.edu/pub/slackware/ 
6. OpenSUSE Todas as Versões = http://download.opensuse.org/distribution/
7. Arch Linux Todas as Versões = https://www.archlinux.org/releng/releases/