Term               Meaning
 ====               =======
 browser            Web browser
 FQDN or fqdn       Fully qualified domain name
 mailer or MUA      Mail user agent such as pine or elm
 MTA                Mail transport agent such as sendmail or smail
 pico               PIne COmposer - a user friendly editor
 pico FileName      Use pico to edit file named `FileName'
 pico -w FileName   Use pico with autowrap turned off to edit `FileName'
 mail reader        Mailer, newsreader, or Web browser that can read 
                    mail folders
 regular expression Text that can include "wild cards" (such as . to
                    match any single character); used for searching
 URL                Uniform Resource Locator - address used by Web browsers
 ^X                 Press the Ctrl key and then, while holding down the 
                    Ctrl key, press the X key.  Note that often the
                    the lower case letter works, .e.g, you can use
                    either ^x and ^X
 ~ or $HOME         Your home directory.  You can always get to your
                    home directory by typing: cd