June 2008
Beginner
360 pages
9h 9m
English
A rather cool thing about typing in the command Terminal is that it has what you might call short-term memory. Try it out by typing the word cherry and then pressing ENTER. Ignoring the command-not-found message, go on and type vanilla, and press enter. Now type gelato, and press enter. So far, so dumb, right? Well, not really. Let's type everything we've typed thus far again, but this time let's do it with only one key.
Huh?
Yes, just press the up cursor key once, and what do you see? That's right—the last command you typed appears, which in this case would be gelato. Press the up cursor key again, and the command that you typed before that will appear—vanilla. One more time? Yes, cherry. And ...
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