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

The correct answer is C. a.

The command a is used to append text at the end of the current line in vi editor.

The command I is used to insert text at the beginning of the current line.

The command i is used to insert text at the cursor position.

The command A is used to append text at the end of the file.

The command None of the above is incorrect.