... discovered crayonsand Photoshop), so people didn’t thi nk of them as folders. They calledthem directories. So they didn’t move from folder to folder; they changeddirectories. But if you actually ... are: your home directory. If you want to change to a different directory, you use cd. (No one w ants to type change-directory, not even once. I mean, I had to just then, to make a point,but ... and then hang on to it store it somewhere. Well, we can, of course—it would have beeninsensitive to bring it up otherwise. To store the string in your computer’s memory for use later in yourprogram,...