On a Macintosh, the desktop is the area with the hard drive and trash icons. File Manager is the Windows 3.x utility for performing disk and file functions. With the File Manager one can move, copy, delete or rename files and directories, change attributes, format disks, open documents or launch programs. The file manager provides the user interface to the directory structure level of the operating system. A filename is a word identifying a file, or set of data to the system and the user.
Different systems have different methods governing the use and conventions of filenames.
For example .DOC usually indicates an MSWord document, .TXT indicates a text file, .WAV is an MSWindows sound file, etc. Macintosh filenames may contain up to 31 characters of any type. The finger server on the blue cluster is currently restricted due to performance and security reasons. Outgoing finger commands are accepted, but incoming finger request from outside of the cluster are refused. Leaving off the userid typically displays a list of connected users.