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12          GOPHER
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I. What is GOPHER?                                                              
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    - Internet-based distributed information delivery system                    
                                                                                
        - developed at U. of Minnesota                                          
                                                                                
        - can be used for campus-wide information system (CWIS)                 
                                                                                
        - can access other GOPHERs and other Internet services through          
           subcalls to TELNET and FTP                                           
                                                                                
    - GOPHER is a client/server system                                          
                                                                                
        - user runs GOPHER client program to communicate with GOPHER            
           server.  GOPHER servers communicate with each other.                 
                                                                                
        - Individual GOPHER clients exist for sun, unix, next, mac, IBM/DOS,    
           IBM/Windows, Macintosh (and probably more)                           
                                                                                
           - clients take advantage of capabilities of local operating          
             environment                                                        
                                                                                
    - we will explore and use the VM/CMS GOPHER client                          
                                                                                
                                                                                
II. Gopher clients                                                              
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    - recommended client is HGOPHER under windows menu                          
                                                                                
      - other clients:                                                          
                                                                                
           - pc gopher (dos)                                                    
           - tuebogopher (mac)                                                  
                                                                                
      - this connects you to the main Penn State Gopher server                  
                                                                                
         info.psu.edu  (should be set to do this by default)                    
                                                                                
      - a menu is displayed which can contain a number of types                 
          of object                                                             
                                                                                
         - document - when you select this a document is transferred            
                      to your client and displayed on the screen                
                                                                                
         - menu - when you select this another menu is displayed. this          
                  may nvolve connecting to some remote GOPHER server            
                                                                                
         - search - keyword search of some remote database                      
                                                                                
         - telnet/tn3270 - uses tnvt100 or tn3270 protocol to connect           
                           you to some remote data server on the Internet       
                                                                                
         - phonebk - searches a CSO/qi phonebook database                       
                                                                                
         - binary - a binary file, you can download it                          
                                                                                
         - picture - a graphic image in either GIF or JPG format  (these        
                     are useless when you are using the VM/CMS client)          
                                                                                
         - other item types (such as animations or sounds) are supported        
                 by some clients                                                
                                                                                
                                                                                
III. Some HGOPHER commands                                                      
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    - some clients allow you to get info about an item                          
                                                                                
     - help menu                                                                
                                                                                
     - commands menu                                                            
                                                                                
     - options menu                                                             
                                                                                
                                                                                
IV. Bookmarks                                                                   
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   - setting                                                                    
                                                                                
        - use mark item or mark directory                                       
                                                                                
      - saving bookmark file and retrieving for later use                       
                                                                                
                                                                                
V.  Transferring files with gopher                                              
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    - set for file transfer mode                                                
                                                                                
       - select destination                                                     
                                                                                
                                                                                
VI. A tour of GOPHER menu structure                                             
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     - show other information servers at Penn State                             
                                                                                
        - student organization gopher servers                                   
                                                                                
        - information servers outside Penn State                                
                                                                                
     - show how to set a bookmark                                               
                                                                                
     - show how to use bookmarks                                                
                                                                                
     - launching gopher with a different initial server                         
                                                                                
               GOPHER AIKIDO.CAC.PSU.EDU                                        
                                                                                
                                                                                
VI. Searching GOPHERspace with VERONICA                                         
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   - Information Servers at Penn State                                          
                                                                                
      - University Libraries Gopher                                             
                                                                                
         - Electronic Bookshelf                                                 
                                                                                
             - search all gopher servers everywhere by keyword