Unified CCX is developed on Cisco Unified Communications Operating System (UCOS), which in turn is based on Redhat Linux
Above query statement doesn't clarify the exact ask here .
Could you please share some more details on your query ? what Exactly are you looking for wrt to UCCX ?
More details on CCX installation is provided in below link:
http://www.cisco.com/c/en/us/support/customer-collaboration/unified-contact-center-express/products-installation-guides-list.html
Regards
Hemant
