Test (1).txt -

If you're testing software, use special characters or specific patterns to see if they cause errors: : !@#$%^&*()_+{}|:"<>?~-=[]\;',./

If you need to test how a system handles longer blocks of text: test (1).txt

Because the "(1)" often indicates a , you might want the content to explicitly state its version to differentiate it from the original test.txt : test.txt content: "Original Version" test (1).txt content: "Duplicate Version 1" How to Create It If you're testing software, use special characters or