What command is used to display and create files? A. lyrix B. ed C. vi D. cat E. None of the above

The correct answer is D. cat.

cat is a command-line utility for displaying and creating files. It can be used to concatenate multiple files into one, print the contents of a file to standard output, or create a new file.

lyrix is a text editor that is not commonly used in Linux.

ed is a line editor that is also not commonly used in Linux.

vi is a text editor that is more commonly used in Linux, but it is not as commonly used as cat for displaying and creating files.

E is not the correct answer because it is not a valid option.