C O M P R E S S E D   A R C H I V E D   F I L E S
          
          Below are some of the most frequent archived file types
          you are likely to run into on BBSs. The program to
          uncompress these files can also be found on BBSs. Today,
          the vast majority of Bulletin Board System OPerators
          (SYSOPs) use PKZIP to ZIP their IBM files. See the next
          section for "How to Unzip Zipped Files." 
          
          .ARC    A compressed archived file. You can usually
                  uncompress these by using PKUNPAK.EXE, by PKWARE,
                  Inc.
          
          .ARJ    A compressed archived file. You can extract these
                  files using ARJ.EXE, by Robert K. Jung. This is 
                  a shareware program.                  
          
          .ICE    A file compressed by LHice.
          
          .LZH    A compressed archived file. To uncompress this  
                  type of file, you need LHA.EXE, by Haruyasu     
                  Yoshizaki. This is freeware.
          
          .PAK    A compressed archived file. To uncompress, you  
                  need a shareware program called PAK.EXE, by     
                  NoGate Consulting. 

          .SDN    A compressed archived file distributed by SDN
                  International. This is Fidonet's Shareware
                  Distribution Network. To uncompress .SDN files
                  dated 1993 and later use ARJ.EXE version 2.41 or
                  later. ARJ.EXE is a shareware program. .SDN files
                  prior to 1993 require PAK.EXE, by NoGate
                  Consulting, to uncompress. 
          
          .ZIP    A compressed archived file. You need PKUNZIP.EXE 
                  to uncompress and use these files. This is a    
                  shareware program. PKUNZIP is by PKWARE, Inc. You 
                  will want the latest version to insure complete 
                  unzipping. It changes periodically. 
          
          .ZOO    A compressed archived file. Requires ZOO.EXE to
                  uncompress.

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