/usr/share/doc/xen- <version-number> / is the directory which contains information about the Xen para-virtualization hypervisor and associated management tools, including various example configurations, hardware-specific information, and the current Xen upstream user documentation.

man virsh and /usr/share/doc/libvirt- <version-number> — Contains sub commands and options for the virsh virtual machine management utility as well as comprehensive information about the libvirt virtualization library API.

/usr/share/doc/gnome-applet-vm- <version-number> — Documentation for the GNOME graphical panel applet that monitors and manages locally-running virtual machines.

/usr/share/doc/libvirt-python- <version-number> — Provides details on the Python bindings for the libvirt library. The libvirt-python package allows python developers to create programs that interface with the libvirt virtualization management library.

/usr/share/doc/python-virtinst- <version-number> — Provides documentation on the virt-install command that helps in starting installations of Fedora and Red Hat Enterprise Linux related distributions inside of virtual machines.

/usr/share/doc/virt-manager- <version-number> — Provides documentation on the Virtual Machine Manager, which provides a graphical tool for administering virtual machines.