If you believe in unlimited quality and act in all your business dealings with total integrity, the rest will take care of itself. -Frank Perdue
Application Under Test | Glossary
Definition:
AUT is “Application under test”.After designing and coding section of development cycle,when the application(build) comes under testing then at that time application state is under test,so at that time period that application(build) is called “Application under test”.
Further Reading:
Book: Agile Testing by Janet Gregory and Lisa Crispin.