Lec. 3 Text Utilities

Text Utilities
Command mode
You are now in command mode. To type text into your file you must go into text entry mode. There are many, many ways to go into text entry mode, the usual way when you are creating a new file is to type the character i (without pressing Enter). The words INSERT MODE will appear in the bottom right corner, text is displayed here whenever you are in text entry mode.
9.4.2 Text Entry mode
Once in text entry mode you can type in your text. Use the Backspace key to correct mistakes on the current line and start new lines by pressing the Enter key. If you spot mistakes on previous lines you will have to leave them for later. Once the body of your text has been typed in you should return to command mode by pressing the Esc key.
9.4.3 Command mode
Now you can correct any mistakes. Use the arrow keys to position the cursor by the offending text and issue the appropriate command to make amends. Possible commands are listed in the next section. Correcting mistakes may require you to go into text entry mode again, once you have corrected all mistakes ensure you are back in command mode by pressing the Esc key.
9.4.4 Command mode
Having entered your text and corrected all mistakes your file is now complete. You can save your file and exit the editor. To save your file you must enter last line mode. To do this, in this situation, type in a colon (:) character without pressing Enter.