Answer:
To enable VI editor automatically display lines as numbered, the following steps must be taken:
Step 1: Press the Escape key to exit the insert or append mode.
Step 2. Press the colon key to trigger the cursor. The cursor will appear at the lower-left position of the screen next to a : prompt.
The Next step is to type the following command: set no number hit the enter button to execute the command. This will trigger a column of sequential line numbers will appear at the left side of the display. Each line number references the text located directly to the right of it.
Step 3: To enable this to happen automatically, the appropriate set statement as a line in must be inserted a file in your home directory named .exrc
Cheers!
