=item B<linux_vserver>
+This is printed for backwards compatibility with older virt-what which
+could not distinguish between a Linux VServer container guest and
+host.
+
+=item B<linux_vserver-guest>
+
This process is running in a Linux VServer container.
Status: contributed by Barış Metin
+=item B<linux_vserver-host>
+
+This process is running as the Linux VServer host (VxID 0).
+
+Status: contributed by Barış Metin and Elan Ruusamäe
+
+=item B<lxc>
+
+This process is running in a Linux LXC container.
+
+Status: contributed by Marc Fournier
+
=item B<kvm>
This guest is running on the KVM hypervisor using hardware