lab: files, buffers and splits

# questions
1. vi features
	a) start vi (or vim) in a scratch directory
	b) type "john" and save the file as personality-one.txt
	c) now add the text "peter" and save the file as personality-two.txt
	d) open personality-one.txt without leaving vi(m)

2. buffers
	a) if you were already in vim go to b) else exit vi and start vim with both files as an arugment
	b) list the open buffers, you should see both personality-one.txt and personality-two.txt
	c) switch to personality-two.txt
	d) switch back to personality-one.txt
	e) delete the buffer
	f) make changes to the buffer then reload the buffer from disk

3) splits
	a) open your two personalities in a split
	b) add a description to both of your personalities
	c) save both panes at once
	d) close one of your split personalities
	e) find an interesting keyboard shortcut in the help and try it out
	f) return to the document you were editing