Vi can often be daunting, so here is my Vi commands at a glace list. Inserting: r Replace character under cursor with next typed character. R Replace characters under cursor until esc is pressed. i Insert before cursor. a Append after cursor. A Append at the end of the line. O Open line above cursor and enter append mode. Deleting: x Delete character under cursor. dd Delete line under cursor. dw Delete word under cursor. db Delete word before cursor. Write File: :w Saves the current file without quitting. Exiting vi: :wq Exit and save changes. :q! Exit without saving.