
The boot prompt of this OS is very important, as it allows users to install the operating system on a single machine, or deploy multiple server installations using Canonical’s MAAS (Metal as a Service) technology. The system is officially supported on the 64-bit (amd64), 32-bit (i386), PowerPC (PPC), PowerPC64 Little-Endian (PPC64el) and 64-bit Mac (amd64) hardware platforms. It is understandable that there’s no live session, because a true server distribution comes without a graphical desktop environment. It is available for download as installable-only, CD-size hybrid ISO images that can be written to blank CD discs or USB flash drives. Distributed as installable-only ISO images for numerous hardware platforms

Ubuntu Server is an open source distribution of Linux that provides users with a sophisticated server operating system based on the world’s most popular free OS, Ubuntu Linux.
