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(These people may also be able to explain why K stands for black) RGB is how a TV or computer monitor thinks of colors: as proportions of red, green, and blue light. up to speed Viruses in OS X (Not!) One of the greatest perks of moving to Macintosh is that viruses are practically nonexistent. Since it probably doesn’t, you need an electronic copy of Windows, which you can download as a simulated disk called an ISO disk image. Some useful ready-made equation components await in the pop-up button at the right side of the equation text box. Type in the name of a singer, band, song, or kind of music (“show tunes” or “a cappella,” for example). Certain other kinds of files may show a helpful info line, too. On the Mac, you see something like Figure 6-1, middle: a big passcode. Minesweeper Time wasters, rejoice! There are a number of free Minesweeper programs for OS X, including CocoaMines and Aqua Mines. The list of checkboxes identifies what Spotlight tracks. (If you don’t see this menulet, turn on “Show Time Machine in menu bar,” shown in Figure 5-12) Bottom: You see dozens of copies of the Finder window, representing its condition at each backup, stretching back to the past. Filing Messages Mail lets you create new mailboxes (mail folders) in the mailboxes list. Note: Behind the scenes, the various versions of each document are saved in an invisible folder on your hard drive called .m. To edit one of the numbers on the paper tape, drag through it, retype, and then click Recalculate Totals.” If you find you’ve been using, for example, Terminal a lot more often than you thought you would, this command may be the ticket. Look at 'em now! Susan Sowerby laughed a comfortable laugh. Now look here! he said sharply. You see only neatly numbered scrolling blocks, each representing the newly added text in each back-and-forth. If other people have access to your Mac (either from across the network or when logging in, in person), this pane lets you specify who is allowed to open or change this particular icon. To add the name of a person or group, click the n button below the list.