Which command will be used with vi editor to append text at end of line? A. A B. a C. i D. I E. None of the above

The correct answer is: A. A

The command A will append text at the end of the current line.

The command a will insert text at the cursor position.

The command i will insert text at the beginning of the current line.

The command I will insert text at the beginning of the current line, and move the cursor to the end of the line.

The command None of the above is incorrect, as it does not correspond to any of the valid vi commands.