Multiple choice technology programming languages Which clearcase command is used to check in the files ct ci <filename> ct co <filename> ct mk <filename> ct mkelem <filename> Reveal answer Fill a bubble to check yourself A Correct answer Explanation In ClearCase, 'ct ci ' (check in) saves changes to the repository. 'ct co' is check-out (editing), 'ct mk' is not a complete command, and 'ct mkelem' creates new elements, not for checking in existing files.