In Mac OS X 10.5, Apple added its iTunes Cover Flow technology to the Finder file manager for viewing all files. See graphics viewer , Quick Look and document exchange software .

As far as Zen Viewer’s file preview capabilities go, the app managed to open my PDF and RTS documents just fine, but don’t expect the experience offered by a dedicated PDF viewer like PDF Expert by ...

To view All Apps in File Explorer, you’ll use a Shell command shortcut. Hidden underneath the Windows architecture is a host of special shortcuts known as Shell commands.