(n.) An alternative name for an object, such as a variable, file, or device. On Macintoshes, you can assign aliases for files, which allows you to have icons for the same file in different folders. Windows provides the same functionality but does not use the term alias.UNIX also supports aliases, but calls them links or symbolic links.
Email access with virtual servers Virtual Mail Service page describes how you can use email as a useful business tool. By using email aliasing, it allows your company to have e-mail addresses linked to your own domain.