This patch is not complete yet because it needs to support Fedora, RHEL and Windows CDs. Some examples of the current output: $ virt-inspector ubuntu-10.10-desktop-amd64.iso <?xml version="1.0"?> <operatingsystems> <operatingsystem> <root>/dev/sda</root> <name>linux</name> <distro>ubuntu</distro> <product_name>Ubuntu 10.10 &quot;Maverick Meerkat&quot; - Release amd64 (20101007)</product_name> <major_version>10</major_version> <minor_version>10</minor_version> <format>installer</format> <live/> <mountpoints> <mountpoint dev="/dev/sda">/</mountpoint> </mountpoints> <filesystems> <filesystem dev="/dev/sda"> <type>iso9660</type> <label>Ubuntu 10.10 amd64</label> </filesystem> </filesystems> <applications/> </operatingsystem> </operatingsystems> $ virt-inspector debian-505-amd64-netinst.iso <?xml version="1.0"?> <operatingsystems> <operatingsystem> <root>/dev/sda</root> <name>linux</name> <distro>debian</distro> <product_name>Debian GNU/Linux 5.0.5 &quot;Lenny&quot; - Official amd64 NETINST Binary-1 20100627-10:37</product_name> <major_version>5</major_version> <minor_version>0</minor_version> <format>installer</format> <netinst/> <mountpoints> <mountpoint dev="/dev/sda">/</mountpoint> </mountpoints> <filesystems> <filesystem dev="/dev/sda"> <type>iso9660</type> <label>Debian 5.0.5 amd64 Bin-1</label> </filesystem> </filesystems> <applications/> </operatingsystem> </operatingsystems> Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://et.redhat.com/~rjones/libguestfs/ See what it can do: http://et.redhat.com/~rjones/libguestfs/recipes.html