  revision history:
 
=========================================DOS==================
   version    date      programmer          comment
 
   1.00     8 aug 1993  L. Muhlenberg   Initial attempt
   1.01     9 aug 1993  L. Muhlenberg   Added XON/XOFF protocol
                                        Added version number
                                        Added progress indicator
   1.02    10 aug 1993  L. Muhlenberg   Cleaned up program
   1.03    11 aug 1993  L. Muhlenberg   Added info text (? or H option)
                                        Added 9600 baud support

=========================================LINUX==================
   version    date      programmer          comment

   2.00    25 oct 1995  J. Hadi Salim   refer to below 

   ported to LINUX (quiet a few changes; skeleton still the same)
   posix compliant -- which means it could be compiled on any
   Unix with (hopefully) minimal effort.

