
You can skip the dialog box by holding down the Option key before choosing Private Browsing from the menu-with the option key down, the Private Browsing entry on the menu loses its ellipsis (…), and takes effect immediately when clicked. In fact, you’ll see that dialog every time you activate private browsing. OptionBrightness Up: Open Displays preferences. CommandBrightness Down: Turn video mirroring on or off when your Mac is connected to more than one display. Option-Shift-Command-Delete: Empty the Trash without confirmation dialog. If you simply pick Private Browsing from the Safari menu, however, you’ll see a dialog box that explains all of this, and asks you to confirm you really do want to enter private browsing mode. Command-Delete: Move the selected item to the Trash.

This is very useful for those times you’re using a public Mac, or if you just prefer not to leave lots of data bits behind as you surf the net. When in private browsing mode (Safari -> Private Browsing), Safari won’t add Web pages to the history file, removes things from the Downloads window, won’t save autofill information, and won’t add searches to the pop-up menu of recent searches.

Safari has a private browsing features that greatly limits the “tracks” you leave when browsing the Web.
