Robin Williams Mac OS X Book, Jaguar Edition, The

Making Several Versions

Sometimes you might want to create changes in a document, but you still want to keep a copy of the original without the changes. For instance, let’s say you write a witty letter to Uncle Jeff, then decide you also want to write to Uncle Cliff. You have a few things to tell Cliff that Jeff isn’t interested in, but you don’t want to retype the entire letter. That’s when you’ll use Save As... a second time to give the document a new name, which actually creates a new, separate file and leaves the original file intact.

To make a version separate from an original:

1.	Save the original document. Let’s say you’ve named it “Witty letter to Uncle Jeff.” Don’t close the document.
2.	While that document is still open on the screen, ...