ubuntu11.04 ubuntunatty Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 우분투 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 Ubuntu 11.04 11.04 Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd Canonical Ltd linux ubuntu Natty Narwhal 2011-04-28 2012-10-28 1000000000 1 67108864 5368709120 1000000000 536870912 5368709120 https://old-releases.ubuntu.com/releases/natty/ubuntu-11.04-server-i386.iso Ubuntu-Server 11.04(.\d\+?)? i386 LINUX install/vmlinuz install/initrd.gz https://old-releases.ubuntu.com/releases/natty/ubuntu-11.04-server-amd64.iso Ubuntu-Server 11.04(.\d\+?)? amd64 LINUX install/vmlinuz install/initrd.gz https://old-releases.ubuntu.com/releases/natty/ubuntu-11.04-desktop-i386.iso Ubuntu 11.04(.\d\+?)? i386 LINUX casper/vmlinuz casper/initrd.lz https://old-releases.ubuntu.com/releases/natty/ubuntu-11.04-desktop-amd64.iso Ubuntu 11.04(.\d\+?)? amd64 LINUX casper/vmlinuz casper/initrd.lz