The command line--that hidden world of code behind your Mac's pretty OS X face--sometimes offers a quicker way to do everyday tasks. You've learned how to navigate files and folders with the command line and get help when you need it from man pages. Today, I'll show you how to copy and move files, common operations that often come in handy. I'll also show you how to create directories (that's Unix-speak for folders), so you can move files to new places.Why bother with the command line?It's certainly easy to copy and move files in the Finder, but there are a number of reasons why you might want to do this from the command line instead:You can copy or move files from one location to another without opening windows in the Finder.You can copy or move files that are hidde