The download file is named 'cotvnc-20b4.dmg'. It can be used as a remote desktop client for Linux, Mac, or Windows hosts. The following steps show the installation of a popular VNC client for OS X called 'Chicken of the VNC'. The same can be accomplished from the command line using two commands, hdiutil and cp.
Once mounted, installation of the application is typically done by dragging an icon to the Applications folder. If you double click a disk image in the Finder, it is mounted automatically. Many applications are distributed as disk images, a compressed binary format. An intrepid reader asked the following question:
