Question: What would be in out.txt?

1. the content of in.txt.
2. the output from the command line.
3. Nothing, because you cannot redirect from a file (in.txt) to another file (out.txt). You can redirect only from a command to a file.
4. Nothing, The redirect will create a new empty file, but there will not be any output from the cat command to redirect.

Answer: The correct answer of the above question is Option A:the content of in.txt.