Ubuntu Hardy Heron 8.04 i386 Alternate Installation CD allows you to perform certain specialist installations of Ubuntu. It helps you for setting up automated deployments, upgrading from older installations without network access,LVM and/or RAID partitioning, installs on systems with less than about 384MB of RAM (although note that low-memory systems may not be able to run a full desktop environment reasonably) etc...

About Ubuntu

Ubuntu is a computer operating system based on the Debian GNU/Linux distribution. It is named after the Southern African ethical ideology Ubuntu ("humanity towards others")and is distributed as free and open source software with additional proprietary software available. Ubuntu provides an up-to-date, stable operating system for the average user, with a strong focus on usability and ease of installation. Web statistics from late 2009 suggest that Ubuntu's share of Linux desktop usage is between 40 and 50%.