Virtual machines images reside in the /var/lib/xen/images directory.

When you restart the xend daemon, it updates the xend-database that resides in the /var/lib/xen/xend-db directory.

Virtual machine dumps (that you perform with xm dump-core command) resides in the /var/lib/xen/dumps directory.

The /etc/xen directory contains the configuration files that you use to manage system resources. The xend daemon configuration file is /etc/xen/xend-config.sxp. This file can be edited to implement system-wide changes and configure the networking. However, manually editing files in the /etc/xen/ folder is not advised.

The proc folders are another resource that allows you to gather system information. These proc entries reside in the /proc/xen directory: