Looking it Up with look
Speaking of spelling, you can also have Unix just look up a word for you in the system dictionary. It's just like saying, "Hey, honey, how do I spell 'unforgivably,' as in 'unforgivably lazy'?" Just type look and the beginning of the word you want to look up (Code Listing 15.5).
Code Listing 15.5. Look up words with look.
To Look Up a Definition with look:
Figure 15.2. Use look to find words, even within vi.