Modifying a File To make changes in a file, you must use an editor. You will need to learn some cursor movements. You can move the cursor using the arrow keys located to the right of the main keyboard. Practice moving around in your file using the arrow keys. To erase a letter or word, you use a delete key which deletes one character at a time.
Different keyboards have different types of delete keys.
Your keyboard may have a rubout key or a special arrow key. If your terminal doesn't have one of the following keys, experiment to determine which key deletes the character to the left of the cursor. A fat arrow located someplace other than the arrow pad. When we want you to delete the character to the left of the cursor, we will use the delete symbol. This will delete the blank line between the first and second paragraphs.