How to add the contents of another file to the end of a file in the vi editor, is there such a command in principle?

Question

vim

For example, we open the text1 file in the editor, how to add the entire contents of the text2 file that is not open in the editor to the end of the text?

Answer 1

Found the answer in this book: docstore.mik.ua/orelly/unix/vi/ch05_04.htm
The :r <filename> command will insert the contents of <filename> on the next line after the cursor in the edited file.