Visual Insert

1. Type vim hello.txt. The editor opens, the cursor is on the "H" of the "Hello".
2. Press 2yy followed by p. The first 2 lines were yanked into memory (copied) and the pasted above the current line.
3. Press Ctrl-v to switch to visual mode.
4. Press 2j to mark 2 more lines under the current line.
5. Press I (Shift i) to switch to insert mode.
6. Type in "vim! "
7. Press ESC
8. After a second "vim! " will appear on the second and third lines as well.
9. Type :wq to write file and quit vim.