Now in this archive is include the version of the executable able to run
in the release 1.3 of the operating system.

To install MShell in a machine where is running the 1.3 version of the
operating system copy from the directory 1.3 to the final destination
drive, if the machine is runnig >2.x O.S. copy the files from the 2.0
directory. You an have, on two machine linked together, the version
for O.S. 1.3 on the first machine and the version for O.S. 2.0 on the
second machine