What is SUT and where did it come from?

Question

I see many people talking about the term SUT, but do not understand why they use that term.

SUT is what you want to test?

Where does this term come f

Answer 1

I've never heard the term eiher, but a quick search gave

System under test (SUT) refers to a system that is being tested for correct operation. The term is used mostly in software testing.

A special case of a software system is an application which, when tested, is called an application under test.

The term SUT means also a stage of maturity of the software, because a system test is the successor of integration test in the testing cycle.

From good ole wikipedia.